Dumortierite

Dumortierite

Vaca Morta quarry, Serra da Vereda, Boquira, Bahia, Brazil

Dumortierite

Psáry, Prague-West District, Central Bohemian Region, Czech Republic

Dumortierite, etc.

Vaca Morta quarry, Serra da Vereda, Boquira, Bahia, Brazil

Dumortierite

Vaca Morta quarry, Serra da Vereda, Boquira, Bahia, Brazil

Dumortierite

Psáry, Prague-West District, Central Bohemian Region, Czech Republic

Dumortierite, etc.

Vaca Morta quarry, Serra da Vereda, Boquira, Bahia, Brazil

Dumortierite

Vaca Morta quarry, Serra da Vereda, Boquira, Bahia, Brazil

Dumortierite

Psáry, Prague-West District, Central Bohemian Region, Czech Republic

About DumortieriteHide

Eugène Dumortier

Formula:

Al(Al₂O)(Al₂O)₂(SiO₄)₃(BO₃)

The given formula is the anhydrous end-member. Hydrogen incorporation leads to a more complex formula:

(Al,◻)[Al₂(O,OH)](Al₂O)₂[SiO₃(O,OH)]₃(BO₃)

Colour:

Blue, greenish-blue, violet-blue, pale blue, pink, red

Lustre:

Vitreous

Hardness:

7 - 8

Specific Gravity:

3.21 - 3.41

Crystal System:

Orthorhombic

Member of:

Dumortierite Group > Dumortierite Supergroup

Name:

Named in honour of Eugène Dumortier (3 December 1801, Lyon, France – 13 August 1876, Lyon, France), palaeontologist who wrote 'Études Paléontologiques sur les dépôts jurassiques du Bassin du Rhône'.

Type Locality:

ⓘ Ducarre's Quarry, Beaunant, Chaponost, Lyon, Rhône, Auvergne-Rhône-Alpes, France

Isostructural with:

Magnesiodumortierite

Closely related to holtite.

Visit gemdat.org for gemological information about Dumortierite.

Unique IdentifiersHide

IMA Classification of DumortieriteHide

Classification of DumortieriteHide

Mineral SymbolsHide

Pronunciation of DumortieriteHide

Physical Properties of DumortieriteHide

Optical Data of DumortieriteHide

Type:

Biaxial (-)

RI values:

n_α = 1.659 - 1.678 n_β = 1.684 - 1.691 n_γ = 1.686 - 1.692

2V:

Measured: 20° to 52°, Calculated: 30°

Max Birefringence:

δ = 0.027

Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.

Surface Relief:

High

Dispersion:

r > v or r < v

Optical Extinction:

Parallel. X = c; Y = b; Z = a.

Pleochroism:

Strong

Comments:

X = deep blue or violet; Y = yellow to red-violet or nearly colorless; Z = colorless or very pale blue.

Chemistry of DumortieriteHide

Chemical AnalysisHide

Crystallography of DumortieriteHide

Crystal StructureHide

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Data courtesy of the American Mineralogist Crystal Structure Database. Click on an AMCSD ID to view structure

ID	Species	Reference	Link	Year	Locality	Pressure (GPa)	Temp (K)
0001022	Dumortierite	Alexander V D, Griffen D T, Martin T J (1986) Crystal chemistry of some Fe- and Ti-poor dumortierites American Mineralogist 71 786-794		1986		0	293
0001023	Dumortierite	Alexander V D, Griffen D T, Martin T J (1986) Crystal chemistry of some Fe- and Ti-poor dumortierites O5y and O11x have been editted American Mineralogist 71 786-794		1986		0	293
0001024	Dumortierite	Alexander V D, Griffen D T, Martin T J (1986) Crystal chemistry of some Fe- and Ti-poor dumortierites American Mineralogist 71 786-794		1986		0	293
0001025	Dumortierite	Alexander V D, Griffen D T, Martin T J (1986) Crystal chemistry of some Fe- and Ti-poor dumortierites American Mineralogist 71 786-794		1986		0	293
0020826	Dumortierite	Evans R J, Fyfe C A, Groat L A, Lam A E (2012) MAS NMR measurements and ab initio calculations of the 29Si chemical shifts in dumortierite and holtite American Mineralogist 97 329-340		2012	Madagascar	0	293
0019559	Dumortierite	Groat L A, Evans R J, Grew E S, Pieczka A (2012) The crystal chemistry of As- and Sb-bearing dumortierite The Canadian Mineralogist 50 855-872		2012	Hartmannsdorf quarry, 12 km northwest of Chemnitz in Saxony, Germany	0	293
0019560	Dumortierite	Groat L A, Evans R J, Grew E S, Pieczka A (2012) The crystal chemistry of As- and Sb-bearing dumortierite The Canadian Mineralogist 50 855-872		2012	west shore of Lake Uvildy in the Ilmen Mountains, southern Urals, Russia	0	293
0019561	Dumortierite	Groat L A, Evans R J, Grew E S, Pieczka A (2012) The crystal chemistry of As- and Sb-bearing dumortierite The Canadian Mineralogist 50 855-872		2012	Tonagh Island in Amundsen Bay, Enderby Land, East Antarctica	0	293
0019562	Dumortierite	Groat L A, Evans R J, Grew E S, Pieczka A (2012) The crystal chemistry of As- and Sb-bearing dumortierite The Canadian Mineralogist 50 855-872		2012	the Larsemann Hills, Prydz Bay, Princess Elizabeth Land, East Antarctica	0	293
0007091	Dumortierite	Fuchs Y, Ertl A, Hughes J M, Prowatke S, Brandstatter F, Schuster R (2005) Dumortierite from the Gfohl unit, Lower Austria: chemistry, structure, and infra-red spectroscopy European Journal of Mineralogy 17 173-183		2005	Gfohl unit, Lower Austria	0	293
0007092	Dumortierite	Fuchs Y, Ertl A, Hughes J M, Prowatke S, Brandstatter F, Schuster R (2005) Dumortierite from the Gfohl unit, Lower Austria: chemistry, structure, and infra-red spectroscopy European Journal of Mineralogy 17 173-183		2005	Gfohl unit, Lower Austria	0	293
0019939	Dumortierite	Moore P B, Araki T (1978) Dumortierite, Si3B[Al6.75[]0.25O17.25(OH)0.75]: a detailed structure analysis Neues Jahrbuch fur Mineralogie, Abhandlungen 132 231-241		1978	Saharina, Madagascar	0	293

CIF Raw Data - click here to closedata_global _chemical_name_mineral 'Dumortierite' loop_ _publ_author_name 'Alexander V D' 'Griffen D T' 'Martin T J' _journal_name_full 'American Mineralogist' _journal_volume 71 _journal_year 1986 _journal_page_first 786 _journal_page_last 794 _publ_section_title ; Crystal chemistry of some Fe- and Ti-poor dumortierites Sample: #2, BYU 12-5027, from Yuma Co., Arizona, USA ; _database_code_amcsd 0001022 _chemical_formula_sum 'Si2.98 Al6.81 B O18' _cell_length_a 11.786 _cell_length_b 20.209 _cell_length_c 4.692 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 1117.556 _exptl_crystal_density_diffrn 3.365 _symmetry_space_group_name_H-M 'P m c n' loop_ _space_group_symop_operation_xyz 'x,y,z' '1/2-x,y,z' '1/2+x,-y,-z' '1/2+x,1/2+y,1/2-z' '1/2-x,1/2-y,1/2+z' 'x,1/2-y,1/2+z' '-x,1/2+y,1/2-z' '-x,-y,-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy Si1 0.75000 0.40530 0.08770 1.00000 Si2 0.52400 0.32810 0.58760 0.99000 Al1 0.75000 0.25020 0.39810 0.93000 Al2 0.61030 0.47220 0.55730 0.98000 Al3 0.49130 0.43070 0.05950 0.97000 Al4 0.35810 0.28930 0.05780 0.99000 B 0.25000 0.41590 0.22840 1.00000 O1 0.75000 0.45370 0.37880 1.00000 O2 0.75000 0.32580 0.14880 1.00000 O3 0.63900 0.42420 0.89670 1.00000 O4 0.43640 0.28240 0.40140 1.00000 O5 0.54960 0.39330 0.39720 1.00000 O6 0.45370 0.35040 0.88460 1.00000 O7 0.63960 0.28680 0.64790 1.00000 O8 0.25000 0.35000 0.16850 1.00000 O9 0.35070 0.44820 0.25530 1.00000 O10 0.25000 0.27230 0.76030 1.00000 O11 0.46630 0.48810 0.75050 1.00000 loop_ _atom_site_aniso_label _atom_site_aniso_U_11 _atom_site_aniso_U_22 _atom_site_aniso_U_33 _atom_site_aniso_U_12 _atom_site_aniso_U_13 _atom_site_aniso_U_23 Si1 0.00420 0.01140 0.00310 0.00000 0.00000 0.00090 Si2 0.00820 0.00700 0.00320 -0.00040 0.00040 0.00030 Al1 0.00670 0.01220 0.08360 0.00000 0.00000 -0.00430 Al2 0.00440 0.00580 0.00260 0.00030 -0.00030 -0.00040 Al3 0.00440 0.00480 0.00180 -0.00060 0.00000 0.00010 Al4 0.00730 0.00750 0.00530 0.00110 -0.00050 -0.00020 B 0.00300 0.00120 0.01140 0.00000 0.00000 0.00030 O1 0.00580 0.02130 0.00600 0.00000 0.00000 -0.00380 O2 0.01020 0.02160 0.00990 0.00000 0.00000 0.00240 O3 0.00760 0.01710 0.00450 -0.00060 0.00020 0.00220 O4 0.01040 0.01430 0.00540 -0.00250 0.00210 -0.00180 O5 0.01350 0.00700 0.00610 -0.00090 -0.00150 0.00050 O6 0.01370 0.00930 0.00660 -0.00210 0.00300 -0.00180 O7 0.01540 0.01290 0.00910 0.00160 -0.00230 0.00090 O8 0.00380 0.01020 0.02120 0.00000 0.00000 -0.00320 O9 0.00590 0.01090 0.01190 -0.00410 0.00110 -0.00210 O10 0.00480 0.01450 0.00600 0.00000 0.00000 -0.00220 O11 0.00570 0.00720 0.00470 0.00060 0.00040 0.00000

X-Ray Powder DiffractionHide

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Radiation - Copper Kα

Data Set: Dehesa, San Diego County, California, USA 1356

Data courtesy of RRUFF project at University of Arizona, used with permission.

Powder Diffraction Data:

d-spacing	Intensity
5.85 Å	(strong)
2.09 Å	(medium strong)
5.06 Å	(medium)
3.43 Å	(medium)
3.22 Å	(medium)
2.91 Å	(medium
broad) Å	(
4.26 Å	(medium weak)

Geological EnvironmentHide

Type Occurrence of DumortieriteHide

Other Language Names for DumortieriteHide

Relationship of Dumortierite to other SpeciesHide

Common AssociatesHide

Related Minerals - Strunz-mindat GroupingHide

Fluorescence of DumortieriteHide

Other InformationHide

Dumortierite in petrologyHide

Internet Links for DumortieriteHide

References for DumortieriteHide

Reference List:

Year ⬇Author Title Publisher

Gonnard, M.F. (1881) Note sur l´existance d´une espèce minérale nouvelle, la dumortiérite dans le gneiss de Beaunan, au-dessus des anciens aqueducs galloromains de la vallée de l´Izeron (Rhône). Bulletin de la Société Minéralogique de France: 4: 2-5.

Damour, M. (1881) Analyse de la dumortiérite. Bulletin de la Société Minéralogique de France: 4: 6-8.

Gonnard, M.F. (1881) Note sur l´existance d´une espèce minérale nouvelle, la dumortiérite dans le gneiss de Beaunan, au-dessus des anciens aqueducs galloromains de la vallée de l´Izeron (Rhône). Bulletin de la Société Minéralogique de France: 4: 2-5.

Ford, William Ebenezer (1902) On the chemical composition of dumortierite. American Journal of Science, 4th. Series: 14: 426-430.

Zeitschr. Kristallographie, Band 37: 417-421 (1903).

Schaller, Waldemar Theodore (1905) Dumortierite. American Journal of Science, 4th Series: 19: 211-224.

Clarke, F.W. (1905) Contributions to mineralogy from the United States Geological Survey. United States Geological Survey Bulletin 262: 91-120.

Schaller, Waldemar Theodore (1906) Ueber Dumortierit. Zeitschr. Kristallographie, Band 41: 19-47.

Groves, A. W. (1928) The identification of dumortierite as grains; dumortierite in Cornish granite. Mineralogical Magazine and Journal of the Mineralogical Society, 21 (121). 489-492 doi:10.1180/minmag.1928.021.121.04

Losert, J. (1956) Dumortierites from the migmatites and pegmatites in the vicinity of Kutná Hora. Rozpr. ČSAV: 66(1): 1-44. (in Czech with Russian and English abstracts)

Hey, M.H., Claringbull, G.F. (1958) New data for dumortierite. Mineralogical Magazine: 31: 901-907.

Moore, P.B., Araki, T. (1978) Dumortierite, Si3B[Al6.75_0.25O17.25(OH)0.75]: a detailed structure analysis. Neues Jahrbuch für Mineralogie, Abhandlungen: 132: 231-241.

Alexander, V.D., Griffen, D.T., Martin, T.J. (1986) Crystal chemistry of some Fe- and Ti-poor dumortierites. American Mineralogist: 71: 786-794.

Taner, M.F., Martin, R.F. (1993) Significance of dumortierite in an aluminosilicate-rich alteration zone, Louvicourt, Quebec. The Canadian Mineralogist: 31: 137-146.

Visser, D. (1995) Bibliography of dumortierite. Proceedings of the Koninklijke Nederlandse Akademie van Wetenschappen: Biological, Chemical, Geological, Physical and Medical Sciences: 98: 89-105.

Grew, Edward S., Anovitz, Lawrence M., Grew, Edward S., Anovitz, Lawrence M. - Eds. (1996) Boron - Mineralogy, Petrology and Geochemistry. Reviews in Mineralogy Vol. 33. Mineralogical Society of America

Cempírek, J. (2003) Mineral assemblages and chemistry of dumortierite from granitic pegmatites. M.S. thesis, Institute of Geological Sciences, Brno, Czech Republic. (in Czech with English abstract)

Fuchs, Y., Ertl, A., Hughes, J.M., Prowatke, S., Brandstätter, F., Schuster, R. (2005) Dumortierite from the Gföhl unit, Lower Austria: chemistry, structure, and infra-red spectroscopy. European Journal of Mineralogy: 17: 173-183.

Pieczka, A., Grew, E.S., Groat, L.A., Evans, R.J. (2011) Holtite and dumortierite from the Szklary Pegmatite, Lower Silesia, Poland. Mineralogical Magazine: 75: 303-315.

Evans, R.J., Fyfe, C.A., Groat, L.A., Lam, A.E. (2012) MAS NMR measurements and ab initio calculations of the 29Si chemical shifts in dumortierite and holtite. American Mineralogist: 97: 329-340.

Evans, R.J., Groat, L.A. (2012) Structure and topology of dumortierite and dumortierite-like materials. The Canadian Mineralogist: 50: 1197-1231.

Groat, L.A., Evans, R.J., Grew, E.S., Pieczka, A. (2012) The crystal chemistry of As- and Sb-bearing dumortierite. The Canadian Mineralogist: 50: 855-872.

Pieczka, A., Evans, R.J., Grew, E.S., Groat, L.A., Ma, C., Rossman, G.R. (2013) The dumortierite supergroup. I. A new nomenclature for the dumortierite and holtite groups. Mineralogical Magazine: 77: 2825-2839.

Vigier, Maxence, Emmanuel Fritsch, Théo Cavignac, Camille Latouche, and Stéphane Jobic. (2023) "Shortwave UV Blue Luminescence of Some Minerals and Gems Due to Titanate Groups" Minerals 13, no. 1: 104. https://doi.org/10.3390/min13010104

Localities for DumortieriteHide

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This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.

Locality ListHide

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- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for references and further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (e.g. from pseudomorphs).

All localities listed without proper references should be considered as questionable.

Antarctica
Eastern Antarctica Enderby Land ⓘ Napier Complex	Grew, E. S. (2000). Beryllium in Granulite-Facies Pegmatites in Archean Napier Complex, Antarctica.
ⓘ Casey Bay	granulite-facies rocks of Casey Bay, Enderby Land, Antarctica, American Mineralogist, Volume 66, pages 1022_1033. Edward S. Grew (1981) Surinamite, taaffeite, and beryllian sapphirine from pegmatites in
Khmara Bay ⓘ "Zircon Point" pegmatite	Barbier, J., Grew, E.S., Moore, P.B., and Su, S.-C. (1999) Khmaralite, a new beryllium-bearing mineral related to sapphirine: A superstructure resulting from partial ordering of Be, Al and Si on tetrahedral sites. American Mineralogist, 84, 1650-1660 Grew, E.S., Yates, M.G., Barbier, J., Shearer, C.K., Sheraton, J.W., Shiraishi, K., and Motoyoshi, Y. (2000) Granulite-facies beryllium pegmatites in the Napier Complex in Khmara and Amundsen Bays, western Enderby Land, East Antarctica. Polar Geoscience, 13, 1-40.
Princess Elizabeth Land Ingrid Christensen Coast Prydz Bay ⓘ Larsemann Hills	Wadoski, E. R., Grew, E. S., Yates, M. G. (2011) Compositional evolution of tourmaline-supergroup minerals from granitic pegmatites in the Larsemann Hills, East Antarctica. The Canadian Mineralogist, 49 (1). 381-405 doi:10.3749/canmin.49.1.381 Maas, R., Grew, E. S., & Carson, C. J. (2015). Isotopic Constraints (Pb, Rb-Sr, Sm-Nd) on the Sources of Early Cambrian Pegmatites with Boron and Beryllium Minerals in the Larsemann Hills, Prydz Bay, Antarctica. The Canadian Mineralogist, 53:249-272
Scott Glacier ⓘ Szabo Bluff	Burt, D.M. Stump, E. (1983) Mineralogical investigation of andalusite-rich pegmatites from Szabo Bluff, Scott Glacier area. Antarctic Journal of the U.S., 18(5), 49-52. p. 49-52
Argentina
Córdoba Province Sierra de Córdoba El Pilón complex ⓘ Cerro Negro quarry	Rapela, C. W., Baldo, E. G., Pankhurst, R. J., & Saavedra, J. (2002) Cordieritite and leucogranite formation during emplacement of highly peraluminous magma: the El Pilón Granite Complex (Sierras Pampeanas, Argentina). Journal of Petrology, 43(6), 1003-1028.
ⓘ Tamain quarries	Rapela, C. W., Baldo, E. G., Pankhurst, R. J., & Saavedra, J. (2002) Cordieritite and leucogranite formation during emplacement of highly peraluminous magma: the El Pilón Granite Complex (Sierras Pampeanas, Argentina). Journal of Petrology, 43(6), 1003-1028.
San Juan Province Iglesia Department ⓘ Josemaría deposit	Sillitoe, R. H., Devine, F. A., Sanguinetti, M. I., & Friedman, R. M. (2019). Geology of the Josemaría Porphyry Copper-Gold Deposit, Argentina: Formation, Exhumation, and Burial in Two Million Years. Economic Geology, 114(3), 407-426.
San Luis Province Coronel Pringles Department Estancia Grande Las Águilas deposit ⓘ Virorco pegmatites	Miguel Á. Galliski, María Florencia Márquez-Zavalía, Raúl Lira, Jan Cempírek and Radek Škoda (2012) Mineralogy and Origin of the Dumortierite-Bearing Pegmatites of Virorco, San Luis, Argentina. Canadian Mineralogist 50:873-894.
Australia
Victoria Indigo Shire ⓘ Beechworth	No reference listed
Austria
Carinthia Völkermarkt District Griffen ⓘ St. Leonhard auf der Saualpe	R. Exel: Die Mineralien und Erzlagerstätten Österreichs (1993)
Wolfsberg District Bad Sankt Leonhard im Lavanttal Mica Mines ⓘ Peter Mine	F.Walter (1984)
Wolfsberg ⓘ Jakobpaulischwaig	Niedermayr, G., Praetzel, I. (1995) Mineralien Kärntens. Naturwiss. Verein für Kärnten.
Lading Kötsch ⓘ Arlinggraben	Niedermayr, G., Praetzel, I. (1995) Mineralien Kärntens. Naturwiss. Verein für Kärnten.
Lower Austria Krems-Land District Albrechtsberg an der Großen Krems ⓘ Klein-Heinrichschlag	Kolitsch, U. (2022): 2248) Dumortierit, Hydroxylapatit, Klinozoisit, ein anomal Zr-reiches Glied der Epidotgruppe und Titanit von Klein-Heinrichschlag im Waldviertel, Niederösterreich. Pp. 270-271 in Walter, F. et al. (2022): Neue Mineralfunde aus Österreich LXXI. Carinthia II, 212./132., 221-308.
Gföhl Felling Zwettler Leiten ⓘ Lower serpentinite quarry	Pristacz, H., Kolitsch, U., Löffler, E. & Knobloch, G. (2009): 1597) Cordierit, Dumortierit, Fluorapatit, Monazit, Rutil und Turmalin aus einem Pegmatit in einem Serpentinitsteinbruch bei der Zwettler Leiten, Felling, Waldviertel, Niederösterreich. Pp. 216-218 in: Niedermayr, G. et al. (2009): Neue Mineralfunde aus Österreich LVIII. Carinthia II, 199/119, 189-236. Löffler, E., Kolitsch, U., Knobloch, G. (2021): Mineralien aus einem kleinen Serpentinit-Steinbruch und dem näheren Umfeld der Zwettler Leiten bei Felling im Waldviertel, Niederösterreich. Der Steirische Mineralog 36, 43-49.
ⓘ Upper serpentinite quarry	Pristacz, H., Kolitsch, U., Löffler, E. & Knobloch, G. (2009): 1597) Cordierit, Dumortierit, Fluorapatit, Monazit, Rutil und Turmalin aus einem Pegmatit in einem Serpentinitsteinbruch bei der Zwettler Leiten, Felling, Waldviertel, Niederösterreich. Pp. 216-218 in: Niedermayr, G. et al. (2009): Neue Mineralfunde aus Österreich LVIII. Carinthia II, 199/119, 189-236.
ⓘ Gföhl Quarry (Gnant quarry; Zöchling quarry; Traunfellner quarry)	Fuchs, Y., Ertl, A., Hughes, J.M., Prowatke, S., Brandstätter, F. & Schuster, R. (2005): Dumortierite from the Gföhl unit, Lower Austria: chemistry, structure, and infra-red spectroscopy. European Journal of Mineralogy, 17, 173-183.
ⓘ Gföhleramt	Neumayer, R. (1980): Neue Mineralfunde aus dem Waldviertel. Mitt. Österr. Mineral. Ges., 127, 30-32.
Grafenegg ⓘ Engabrunn	Reinhold, F. (1914): Das Gebiet östlich des Kamptales. Mineral. petrogr. Mitt. 32, 226-235 Köhler, A. (1953): Über ein neues Vorkommen von Dumortierit in Niederösterreich. Unsere Heimat, 24 (10-12), 209-210.
Lengenfeld ⓘ Unnamed quarry	Neumayer, R. (1980): Neue Mineralfunde aus dem Waldviertel. Mitt. Österr. Mineral. Ges., 127, 30-32.
Mühldorf ⓘ Amstall	Peter Neschen collection
Paudorf Meidling ⓘ Granulite quarry (Asamer quarry; Wanko gravel works)	Meixner, H. (1952): Neue Mineralfunde in den österreichischen Ostalpen XII. Carinthia II, 142./62, 27-46. Huber, S. und Huber, P. (1977): Mineral-Fundstellen Band 8: Oberösterreich, Niederösterreich und Burgenland. C. Weise Verlag, München, 270 pp.
Rossatz-Arnsdorf Rossatz ⓘ Unterkienstock	Fuchs, Y., Ertl, A., Hughes, J.M., Prowatke, S., Brandstätter, F. & Schuster, R. (2005): Dumortierite from the Gföhl unit, Lower Austria: chemistry, structure, and infra-red spectroscopy. European Journal of Mineralogy, 17, 173-183.
Straß im Straßertale Wiedendorf ⓘ Saugraben	KÖHLER, Alexander (1953): Über ein neues Vorkommen von Dumortierit in Niederösterreich.- Unsere Heimat, 24/10-12, 209-210, Wien.
Melk District Klein-Pöchlarn Ebersdorf ⓘ Gneiss quarry	Hlawatsch, K. (1911): Über einige Mineralien der Pegmatitgänge im Gneise von Ebersdorf bei Pöchlarn, N.-Ö. Verh. k.k. geol. Reichsanst., 1911, 259-261. Hlawatsch, K. (1911): Über einige Mineralien der Pegmatitgänge im Gneise von Ebersdorf bei Pöchlarn, N.-Ö. Verh. k.k. geol. Reichsanst., 1911, 259-261. Jobstmann, B. (1912): Auffindung von Dumortierit im anstehenden Pegmatit bei Ebersdorf (bei Pöchlarn). Tschermaks Mineral. Petrogr. Mitt., 1912, 120. Meixner, H. (1942): Mineralogische Notizen aus Niederdonau I. Zentralbl. f. Mineral., A, 177-182. Huber, S. and Huber, P. (1977): Mineral-Fundstellen Band 8: Oberösterreich, Niederösterreich und Burgenland. C. Weise Verlag, München, 270 pp. R. Exel: Die Mineralien und Erzlagerstätten Österreichs (1993)
Waidhofen an der Thaya District Raabs an der Thaya Eibenstein an der Thaya ⓘ Liest quarry	Peter Lamatsch collection (SXRD-analysed by Uwe Kolitsch)
Styria Deutschlandsberg District Bad Schwanberg ⓘ Hartner quarry	Aufschluss 1972(SB), 43-47
Deutschlandsberg Osterwitz ⓘ Kuppergrund	Aufschluss 1972(SB), 44
Wildbachgraben ⓘ Gupper quarry	Aufschluss 1972(SB), 44
Bolivia
Potosí Nor Chichas Province Cerro Tazna ⓘ Tazna Mine (Tasna Mine; Tazna-Rosario Mine)	Salomon Rivas y Federico Ahlfeld (1998) Los Minerales de Bolivia y sus Parajes. (Santa Cruz)
Botswana
North-East District ⓘ Halfway Kop	Cairncross, Bruce (2004) Field Guide to Rocks & Minerals of Southern Africa. 288pp.
North-West District Ngamiland West District ⓘ Tsodilo Hills	Wendorff, M., (2005) Outline of lithostratigraphy, sedimentation and tectonics of the Tsodilo Hills Group, a Neoproterozoic–Lower Palaeozoic siliciclastic succession in NW Botswana. Annales Societatis Geologorum
Brazil
Bahia ⓘ Boquira	Sauer, J.R. (1982) Brazil, Paradise of Gemstones. Gemological Institute of America, 135 pp. (p. 98).
ⓘ Macaúbas mountains	Luiz Alberto Dias Menezes,Fo.
ⓘ Serra da Vereda	Franz, G., Morteani, G., Gerdes, A., & Rhede, D. (2014). Ages of protolith and Neoproterozoic metamorphism of Al-P-bearing quartzites of the Veredas formation (Northern Espinhaco, Brazil): LA-ICP-MS age determinations on relict and recrystallized zircon and geodynamic consequences. Precambrian Research, 250, 6-26.
ⓘ Conservice quarry	al and metamorphic zircon crystals near to each other. The crystals sit in a matrix of polygonal quartz (Qtz), with muscovite (Mu) preferably along quartz grain boundaries, accompanied by hematite (Hem), rutile (Rut) and rare phosphate (berlinite Ber black areas in (a) near berlinite and in (b) near muscovite are outbreaks in thin section). Notable is a high micro-porosity, especially well visible in (a). The zircon crystals also show the craters produced by laser ablation for age determination
ⓘ São Marco quarry	Franz, G., Morteani, G., Gerdes, A., & Rhede, D. (2014). Ages of protolith and Neoproterozoic metamorphism of Al-P-bearing quartzites of the Veredas formation (Northern Espinhaco, Brazil): LA-ICP-MS age determinations on relict and recrystallized zircon and geodynamic consequences. Precambrian Research, 250, 6-26.
ⓘ Vaca Morta quarry	MinMag 61:607 (1997)
Bulgaria
Pazardzhik Province Panagyurishte Municipality Elshitsa ⓘ Elshitsa mine	Moritz, R., Kouzmanov, K., & Petrunov, R. (2004). Late Cretaceous Cu–Au epithermal deposits of the Panagyurishte district, Srednogorie zone, Bulgaria. Swiss Bulletin of Mineralogy and Petrology, 84(1), 79-99.
Smolyan Province ⓘ Chepelare Municipality	Svetoslav Petrussenko, Iliya Dimitrov, Kostadin Glushkov, Lubomir Metodiev (2007) A Wonderful World of Minerals (Minerals, Mineral Deposits and Localities from the Area of the Town of Chepelare). Fourth International Symposium Mineral Diversity Research and Preservation pp229-233
Canada
British Columbia Clinton Mining Division Taseko Lake Area Upper Taseko River (Battlement Creek) ⓘ Taylor-Windfall Mine	albite alunite andalusite andesine anorthite apatite biotite calcite chalcopyrite chlorite clinozoisite corundum covellite diaspore dickite dumortierite enargite epidote galena gibbsite gold hematite kaolinite K-feldspar laumonite magnetite malachite muscovite orthoclase pyrite pyrophyllite quartz “REE phosphate” rutile sericite siderite sphalerite "sulfosalt" tennantite tetradymite "tourmaline" zoisite
Omineca Mining Division Smithers ⓘ Louise Lake copper-molybdenum-gold-arsenic deposit ?	personal correspondence with Giles Peatfield (see notes in description)Identification: Visual Identification
Osoyoos Mining Division ⓘ Okanagan Lake	Scott, Graeme (2012) Crystal chemistry and synthesis of selected borosilicate minerals., University of British Columbia.
Vancouver Island Nanaimo Mining Division Port Hardy ⓘ Island Copper Mine (Utah Mines Ltd.)	BC Mining Reports 1970, pg 267-269
Newfoundland and Labrador Labrador Red Wine Alkaline Complex ⓘ Wapustan gneiss	Curtis, L.W. & Currie, K.L. (1977) Geology and petrology of the Red Wine complex, Central Labrador. GSC Bulletin 287, 61p. + maps
Nova Scotia Lunenburg Co. New Ross ⓘ Keddy prospect (Lantz pegmatite; Keddy pegmatite)	O'Reilly, George A., Farley, E. J., Charest, M. H. (1982) Metasomatic-hydrothermal mineral deposits of the New Ross-Mahone Bay area, Nova Scotia. Paper 82-2. Nova Scotia Department of Mines and Energy
Ontario Leeds and Grenville Counties South Crosby Township ⓘ Hwy 15 Cordierite Occurrence	Kingston,Ontario to Lac St.Jean, Quebec. GSC Paper 67-51 Ann P.Sabina (1967), Rocks and Minerals for the Collector
Québec Abitibi-Témiscamingue La Vallée-de-l'Or RCM Val d'Or ⓘ Louvicourt dumortierite occurrence	Taner, M.F. and Martin, R.F. (1993) Significance of dumortierite in an aluminosilicate-rich alteration zone, Louvicourt, Quebec. Canadian Mineralogist, 31, 137-146.
Outaouais La Vallée-de-la-Gatineau RCM Lac-Sainte-Marie (Lac Ste Marie) ⓘ Hincks Bridge (Kazabazua kornerupine occurrence)	J.P.Girault (1952) Kornerupine From Lac Ste-Marie, Quebec, Canada. AM37: 531
Chile
Coquimbo Elqui Province ⓘ La Higuera	Samples analysed by Dr. Jochen Schluter (Hamburg University), Germany.
Czech Republic
Central Bohemian Region ⓘ Kutná Hora District	Duda, Rejl, Slivka: "Mineralien", 1991
Kutná Hora ⓘ Kuklík pegmatite	Canadian Mineralogist: 44: 23-30.
ⓘ Migmatite quarries	Losert, J.: Dumortierity z pegmatitů a migmatitů v širším okolí Kutné Hory. Rozpravy Československé akademie věd, řada MPV, 1956, roč. 66, sešit 1, s. 1-36.
Miskovice ⓘ Miskovický vrch	Fiala, F.: Dumortierit od Miskovic. Sborník Národního muzea v Praze, řada B – Přírodní vědy, 1954, roč. 10, č. 2, s. 3-16.
Starkoč ⓘ Gneiss quarry	Cempírek, J., Novák, M. (2006) Mineralogy of dumortierite-bearing abyssal pegmatites at Starkoč and Běstvina, Kutná Hora Crystalline Complex. Journal of the Czech Geological Society, 51 (3-4) 259-270
Vlastějovice ⓘ Moldanubian Zone pegmatites	Gadas, P., Novák, M., Filip, J., & Staněk, J. (2011). Zoned foitite→ schorl→ dravite→ magnesiofoitite crystals from pockets in anatectic pegmatites of the Moldanubian Zone, Czech Republic. In Asociacion Geologica Argentina, ser. D, Contributions to the 5th Int. Symp. on Granitic Pegmatites (Vol. 14, pp. 87-89).
Vlkaneč ⓘ Přibyslavice	Povondra, P., Pivec, E. (eds.) et al.: Př ibyslavice peraluminuous granite. Acta universitatis carolinae, Geologica, 1987, no. 3, s . 183 – 283.
Prague-West District ⓘ Psáry	Bohuslav Bures collection
ⓘ Dumortierite occurrence	Loun J., Cempírek J.: Křemenné žíly s dumortieritem, andalusitem a dravitem od Psár u Jílového (Česká republika). Bulletin mineralogicko-petrografického oddělení Národního muzea v Praze, 2011, 19, 1, 69-75.
Pardubice Region Chrudim District Běstvina ⓘ Pegmatite occurrence	Cempírek, J., Novák, M. (2006) Mineralogy of dumortierite-bearing abyssal pegmatites at Starkoč and Běstvina, Kutná Hora Crystalline Complex. Journal of the Czech Geological Society, 51 (3-4) 259-270
Plzeň Region Klatovy District ⓘ Podmokly	Černý P., Dostál S., Vítovec J.: Pegmatit z Podmokel u Sušice. Minerál, 2009, 17, 1, 73-76.
South Bohemian Region Český Krumlov District Zlatá Koruna Plešovice ⓘ Plešovice quarry	Robert Vaňo
South Moravian Region Znojmo District ⓘ Vémyslice	Cempírek, J., Novák, M.: Dumortierit a turmalín z abysálních pegmatitů od Vémyslic u Moravského Krumlova, gföhlská jednotka, moldanubikum. Acta Musei Moraviae, Scientiae geologicae, 2004, roč. 89, s. 45 - 54.
Vysočina Region Žďár nad Sázavou District Bory ⓘ Dolní Bory	Staně k, J.: Parageneze minerálů pegmatitových žil z Hatí u Dolních Borů na západní Moravě . Acta Mus. Moraviae, Sci. nat., vol. 76, pages 19-49.
ⓘ Pegmatite vein No. 21	Němec D.: Ein Pegmatit mit Li-Mineralisierung von Dolní Bory in Westmahren (ČSSR). Chem. Erde, 1981, 40, 164-177.
ⓘ Pegmatite vein No. 6	Staněk, J.: Asociace minerálů významnějších pegmatitových žil v Hatích u Dolních Borů na západní Moravě. Acta Musei Moraviae, Scientiae naturales, 1997, roč. 82, 3-19.
ⓘ Horní Bory	Cempírek, J., Novák, M.: Krystalochemie Al – bohatých borosilikátů. Bulletin mineralogicko-petrografického oddělení Národního muzea v Praze, 2000, roč. 8, s. 91-99.
ⓘ Dobrá Voda	Novák, M., Staněk, J.: Lepidolitový pegmatit od Dobré Vody u Velkého Meziříčí, západní Morava. Acta Musei Moraviae, Scientiae geologicae, 1999, roč. 84, s. 3 - 44.
Finland
Kanta-Häme ⓘ Hämeenlinna	Ilkka Mikkola collection
ⓘ Katuma	Ilkka Nmikkola collection, identified by Dr. Seppo Lahti
Tammela ⓘ Hirvikallio	Ilkka Mikkola collection
North Ostrobothnia ⓘ Raahe	Rouhunkoski, P. 1968. On the geology and geochemistry of the Vihanti ore deposit, Finland. Bulletin de la Commission Géologique de la Finlande
Päijänne Tavastia Orimattila ⓘ Luhtikylä	Ilkka Mikkola collection, EDS and XRD identification
South Karelia Lappeenranta ⓘ Ylämaa area	www.mindat.org (n.d.) http://www.mindat.org/mesg-7-304405.html
South Ostrobothnia Kuortane ⓘ Kaatiala pegmatite	Lahti, Seppo I. 1998A. Kaatialan pegmatiitista ja sen mineraaleista. Kivi-lehti 2, 6–26 Makitie, H., Karkkainen, N., Lahti, S. I., & Alviola, R. (2001). Compositional variation of granitic pegmatites in relation to regional metamorphism in the Seinajoki region, western Finland. Special Paper 30 - Geological Survey of Finland, 31-59.
France
Auvergne-Rhône-Alpes Rhône ⓘ Lyon	Mason, A. (1976) The world of Rocks and Minerals. New York, N.Y., Larousse & Co., 108 pages.
Chaponost Beaunant ⓘ Ducarre's Quarry (TL)	Gonnard, M. F. (1881) : Note sur l´existance d´une espèce minérale nouvelle, la dumortiérite dans le gneiss de Beaunan, au-dessus des anciens aqueducs galloromains de la vallée de l´Izeron (Rhône). Bulletin de la Société Minéralogique de France, 4, 2-5
ⓘ Saint-Laurent-de-Chamousset
Occitanie Tarn Castres Lamontélarié ⓘ Rouquié	Bull. Soc. Franç. Minéralo. Cristallo. , 1974, 97, p. 522.
Germany
Baden-Württemberg Freiburg Region Lörrach Kandern ⓘ Egerten	Walenta, Kurt (1992) Die Mineralien des Schwarzwaldes und ihre Fundstellen. Christian Weise Verlag, München. p.1-336.
Malsburg-Marzell ⓘ Malsburg	70. Brill, A. R. (2011): Die Malsburger Granitsteinbrüche bei Kandern im südwestlichen Schwarzwald. Lapis 36 (7-8), 43-51
Bavaria Lower Bavaria Regen District Arnbruck ⓘ Drexler Mine (Draxler Mine; Drachselsried Mine)	Weiß, Stefan (1990) Mineralfundstellen Atlas Deutschland West. Christian Weise Verlag, Munich, Germany. 320pp.
Upper Palatinate Tirschenreuth District Bärnau ⓘ Ahornberg	Laubmann, H., and Steinmetz, H. (1920): Zeitschrift für Krystallographie und Mineralogie 55, 523-586
Kemnath Waldeck ⓘ Kalvarienberg ?	Pöllmann et al. (2007): Aufschluss 58, 227-233.
Rhineland-Palatinate Vulkaneifel Gerolstein Rockeskyll Rockeskyll volcanic complex ⓘ Auf Dickel (incl. Nonnental)	Haardt, W., Die vulkanischen Auswürflinge und Basalte am Killer Kopf bei Rockeskyll in der Eifel, Jb. Preuß. Geolog. Landesanstalt, Berlin 35, 177-252
Saxony Mittelsachsen Hartmannsdorf ⓘ Ratssteinbruch	H. Vollstädt, R. Baumgärtel: "Einheimische Edelsteine", 2nd. ed., Steinkopff (Dresden), 1977 Vollstädt, H. (1979): Einheimische Minerale, VEB Deutscher Verlag für Grundstoffindustrie, Leipzig, p. 289.
Waldheim ⓘ Granulite outcrop	Wittern, Artur (2001) Mineralfundorte und ihre Minerale in Deutschland (1st ed.) Schweizerbart, Stuttgart.
Hungary
India
Jharkhand East Singhbhum District Dhabhum ⓘ Bakra	Richard M. Pearl: "Minerals of India", Mineral Digest, vol. 2.
ⓘ Kanyaluka	Richard M. Pearl: "Minerals of India", Mineral Digest, vol. 2.
Maharashtra Nagpur Division Bhandara District ⓘ Girola area	Richard M. Pearl: "Minerals of India", Mineral Digest, vol. 2.
ⓘ Mogra area	Richard M. Pearl: "Minerals of India", Mineral Digest, vol. 2.
Italy
Lombardy Sondrio Province Chiesa in Valmalenco ⓘ Sissone Valley	Bedognè, F., Montrasio, A., and Sciesa, E. (1993) I minerali della provincia di Sondrio: Valmalenco. Bettini, Sondrio, 275 pp.
Prata Camportaccio Schiesone Valley Rifugio Il Biondo ⓘ Schiesone Creek	Giovanni Scapin Collection Bertolini A. (1989): Nuovi ritrovamenti mineralogici presso Chiavenna (SO): Pizzo di Prata. Rivista Mineralogica Italiana, 12, 3 (3-1989), 186-187 Bedognè F., Montrasio A., Sciesa E. (1995): I minerali della provincia di Sondrio e della Bregaglia grigionese: Val Bregaglia, Val Masino, Val Codera e Valle Spluga. Bettini, Sondrio, 300 pp.
ⓘ Sondalo	Roberto Bosi specimen
Piedmont Verbano-Cusio-Ossola Province Mergozzo Nibbio ⓘ Nibbio-Val Faera (Nibbio-Val Fredda) pegmatites	www.mindat.org (2016) http://www.mindat.org/mesg-105-308121.html
Ornavasso ⓘ Ornavasso pegmatite	Mattioli V. (1983): I minerali dei differenziati acidi e basici dell'Ossola inferiore (NO). Riv. Mineral. Ital., 7, 1 (1/2003), 23-26. Orlandi, P. & Campostrini, I. (2005): Zibaldone. Aggiornamenti di mineralogia italiana 2004. Rivista Mineralogica Italiana, 3/2005, 184-191.
ⓘ Premosello-Chiovenda	Piccoli, G.C., Maletto, G., Bosio, P., Lombardo, B. (2007). Minerali del Piemonte e della Valle d'Aosta. Associazione Amici del Museo "F. Eusebio" Alba, Ed., Alba (Cuneo) 607 pp.
ⓘ Colloro-(Premosello) pegmatite veins	www.mindat.org (2016) http://www.mindat.org/mesg-105-308121.html
ⓘ Cuzzago-Proman pegmatite veins	www.mindat.org (2016) http://www.mindat.org/mesg-105-308121.html
Vercelli Province Borgosesia ⓘ Isolella	Piccoli, G.C., Maletto, G., Bosio, P., Lombardo, B. (2007): Minerali del Piemonte e della Valle d'Aosta. Associazione Amici del Museo "F. Eusebio" Alba, Ed., Alba (Cuneo) 607 pp.
Japan
Fukushima Prefecture Koriyama City ⓘ Tsukigata mine	Takahata, Hiroyuki Uchiyama, Koji (1985) Dumortierite-Bearing Argillaceous Gneisses from the Abukuma Metamorphic Terrain, Northeast Japan. Jour. Fac. Sci., Hokkaido Univ., Ser. IV, vol. 21, no. 3, Aug. 1985. pp. 465-481.
Takanuki ⓘ Mt Kamakuradake	Takahata, Hiroyuki Uchiyama, Koji (1985) Dumortierite-Bearing Argillaceous Gneisses from the Abukuma Metamorphic Terrain, Northeast Japan. Jour. Fac. Sci., Hokkaido Univ., Ser. IV, vol. 21, no. 3, Aug. 1985. pp. 465-481.
Ibaraki Prefecture Kitaibaraki City Hanazono-river ⓘ Yojiro waterfall	Takahata, Hiroyuki Uchiyama, Koji (1985) Dumortierite-Bearing Argillaceous Gneisses from the Abukuma Metamorphic Terrain, Northeast Japan. Jour. Fac. Sci., Hokkaido Univ., Ser. IV, vol. 21, no. 3, Aug. 1985. pp. 465-481.
ⓘ Mizunuma	Takahata, Hiroyuki Uchiyama, Koji (1985) Dumortierite-Bearing Argillaceous Gneisses from the Abukuma Metamorphic Terrain, Northeast Japan. Jour. Fac. Sci., Hokkaido Univ., Ser. IV, vol. 21, no. 3, Aug. 1985. pp. 465-481.
Taga District Hitachi-machi ⓘ Hitachi mine	Dr. Kameki Kinoshita collection (curated at Geological Survey of Japan) Takahata, Hiroyuki Uchiyama, Koji (1985) Dumortierite-Bearing Argillaceous Gneisses from the Abukuma Metamorphic Terrain, Northeast Japan. Jour. Fac. Sci., Hokkaido Univ., Ser. IV, vol. 21, no. 3, Aug. 1985. pp. 465-481.
Kyoto Prefecture Fukuchiyama City ⓘ Yakuno mine	Yamada, S. (2004) Nihonsan-koubutsu Gojuon-hairetsu Sanchi-ichiranhyou (111 pp.)
Nagasaki Prefecture Gotō Islands Fukue Island (Fukuejima) ⓘ Goto mine	Dr. Kameki Kinoshita collection (curated at Geological Survey of Japan) Takahata, Hiroyuki Uchiyama, Koji (1985) Dumortierite-Bearing Argillaceous Gneisses from the Abukuma Metamorphic Terrain, Northeast Japan. Jour. Fac. Sci., Hokkaido Univ., Ser. IV, vol. 21, no. 3, Aug. 1985. pp. 465-481.
Nara Prefecture Yoshino district Tenkawa village Omine Mountains ⓘ Misen River	American Mineralogist 87: 160-170 (2002)
Niigata Prefecture ⓘ Itoigawa City	Fossa Magna Museum specimens, Itoigawa
Ōmi ⓘ Hime River (Himekawa)	Hiroaki Tano specimen. (Many Japanese collectors have this mineral from here.)
Tochigi Prefecture ⓘ Nasu-roseki mine	Dr. Kameki Kinoshita collection (curated at Geological Survey of Japan)
Yamanashi Prefecture Yamanashi City ⓘ Kyonosawa	Takahata, Hiroyuki Uchiyama, Koji (1985) Dumortierite-Bearing Argillaceous Gneisses from the Abukuma Metamorphic Terrain, Northeast Japan. Jour. Fac. Sci., Hokkaido Univ., Ser. IV, vol. 21, no. 3, Aug. 1985. pp. 465-481. Hawthorne, F. C., Selway, J. B., Kato, A., Matsubara, S., Shimizu, M., Grice, J. D., Vajdak, J. (1999) Magnesiofoitite, ◻(Mg2Al)Al6(Si6O18)(BO3)3(OH)4, a new alkali-deficient tourmaline. The Canadian Mineralogist, 37 (6) 1439-1443
Kazakhstan
Akmola Region Zerendy Kokchetav Massif ⓘ Barchi‐Kol area	Andrey V. Korsakov, Olga V. Rezvukhina, Dmitriy I. Rezvukhin, Evgeny D. Greshnyakov, Vladimir Ya. Shur (2019xx): Dumortierite and tourmaline from the Barchi‐Kol diamond‐bearing kyanite gneisses (Kokchetav massif): A Raman spectroscopic study and petrological implications. Journal of Raman Spectroscopy, xx, xx-xx. First published: 22 August 2019, https://doi.org/10.1002/jrs.5699
Madagascar
Alaotra-Mangoro Ambatondrazaka District Ambatosoratra Commune ⓘ Ambatosoratra pegmatite	Behier, Jean (1963) Carte minéralogique de Madagascar. Archive Service Géologique de Madagascar A.1871. Service Géologique
ⓘ Maromby pegmatite (Andreba)	Guigues, J. (1955) Étude des gisements de pegmatite de Madagascar (Deuxième partie) Travaux du Bureau Gèologique de Madagascar 67. Haut Commisariat de Madagascar et dependances
Amoron'i Mania Ambatofinandrahana District Ambatofinandrahana Commune ⓘ Saronara Quarry	Scientific significance and economic importance" in Proceedings of the Malagasy-German Research Cooperation in Life and Earth sciences, 5-18 Ackermand et al. (2006): Lazulite-bearing metaquartzite of the Itremo Group (Central Madagascar); Scientific significance and economic importance. in Proceedings of the Malagasy-German Research Cooperation in Life and Earth sciences, 5-18
Itremo ⓘ Tsiambenana Quarry	Ackermand et al. (2006): Lazulite-bearing metaquartzite of the Itremo Group (Central Madagascar); Scientific significance and economic importance. in Proceedings of the Malagasy-German Research Cooperation in Life and Earth sciences, 5-18
Mangataboahangy ⓘ Riampotsy	Christophe-Michel-Lévy, Emberger, A. & Sandréa, A. (1959) Matériaux pour la minéralogie de Madagascar. II. La dumortiérite de Riampotsy. Bulletin de la Société française de Minéralogie et de Cristallographie 82 (1-3), 77-79 Behier, Jean (1960) Contribution à la minéralogie de Madagascar. Annales géologiques de Madagascar Vol. 29. République Malgachepp.34-34
ⓘ Matso	Behier, Jean (1960) Contribution à la minéralogie de Madagascar. Annales géologiques de Madagascar Vol. 29. République Malgachepp.34-34
Soavina Commune ⓘ Marofarafara	Scientific significance and economic importance. in Proceedings of the Malagasy-German Research Cooperation in Life and Earth sciences, 5-18 Ackermand et al. (2006): Lazulite-bearing metaquartzite of the Itremo Group (Central Madagascar); Scientific significance and economic importance. in Proceedings of the Malagasy-German Research Cooperation in Life and Earth sciences, 5-18
ⓘ Soavina	Lacroix, Alfred (1922) Minéralogie de Madagascar, Tome I. Géologie-Minéralogie descriptive. Augustin Challamel, Paris. p.1-624. pp.401-403
ⓘ Ambositra	Maro Barsanti & Martins da Pedra photos
Ihadilanana ⓘ Ambatolahinanahary	Behier, Jean (1963) Carte minéralogique de Madagascar. Archive Service Géologique de Madagascar A.1871. Service Géologique
Ivato Ivato valley ⓘ Andalusite occurrence	Behier, Jean (1960) Travaux minéralogiques. Rapport Annuel du Service géologique, 1960. Republique Madagascar. 181-199
Anosy Taolagnaro District ⓘ Evisa	In Collection martin Slama, obtained from Matthias Rheinlaender who was very active in this region
ⓘ Sahatany Pegmatite Field (Mt Ibity area)	Platonov, A. N., Langer, K., Chopin, C. Andrut, M. & Taran, M.N. (2000) Fe2+-Ti4+ charge-transfer in dumortierite. European Journal of Mineralogy, 12: 521-528
Vakinankaratra Antsirabe II District Ibity Ibity massif ⓘ Analambano	Morteani, Giulio, Ackermand, Dietrich (2006) Mineralogy, geochemistry and petrology of an amphibolite-facies aluminum-phosphate and borosilicate (APB)-bearing quartzite from the Mesoproterozoic Itremo Group (Central Madagascar). Neues Jahrbuch für Mineralogie - Abhandlungen, 182 (2). 123-148 doi:10.1127/0077-7757/2006/0036
Mozambique
Tete Province Changara District ⓘ Mazowe	Martins da Pedra. Cairncross, Bruce (2004) Field Guide to Rocks & Minerals of Southern Africa. 288pp. Scott, Graeme (2012) Crystal chemistry and synthesis of selected borosilicate minerals., University of British Columbia.
Marávia District ⓘ Cabora Bassa Dam	O. Dziallas Scott, Graeme (2012) Crystal chemistry and synthesis of selected borosilicate minerals., University of British Columbia.
Namibia
Erongo Region Dâures Constituency ⓘ Etemba Farm 135	von Bezing, Ludi (2007) Namibia - Minerals and Localities. Bode Verlag GmbH, Haltern.
ⓘ Unnamed pegmatite (dumortierite mine)	Min Rec (2006) 37:361-470
ǁKaras Region Keetmanshoop Rural Constituency ⓘ Carolina Farm 99	Cairncross, Bruce (2004) Field Guide to Rocks & Minerals of Southern Africa. 288pp.
New Zealand
Northland Region Far North District Karikari Peninsula ⓘ Whangatupere Bay	Railton, G. T., Watters, W. A. (1990) Minerals of New Zealand. New Zealand Geological Survey Bulletin 104. New Zealand Geological Survey
Southland Region Southland District Fiordland National Park ⓘ Milford Sound	Railton, G. T., Watters, W. A. (1990) Minerals of New Zealand. New Zealand Geological Survey Bulletin 104. New Zealand Geological Survey
Norway
Agder Evje og Hornnes Undeland ⓘ Undeland 02 Feldspar Quarry (Berylbruddet)	Identity confirmed by xrd att the Swedish Museum of Natural History
Froland ⓘ Bøylefoss Bridge	Nijland, T.G., Zwaan, J.C., Touret, L (1998) Topographical mineralogy of the Bamble sector, south Norway. Scripta Geologica, 118. 1-48
Risør Akland ⓘ Moland Industrial Site	Knut Edvard Larsen collection # MM-6485 (Ex Harald Breivik collection) Larsen, Knut Edvard (2015) Noen funn av mineraler i Norge 2013-2015 [Some finds of minerals in Norway 2013-2015]. Norsk Mineralsymposium 2015, 79-88
Søndeled Rød ⓘ Rød Cordierite Locality	Hulzebosch-Sijen, N.M.P.E., Visser, D., Maarschalkerweerd, M.H., Maijer, C. (1990) Two new kornerupine localities in the Bamble sector, Norway. Abstract 19th Nordic Geological Winter Meeting. Geonytt, 17 (1) 58
ⓘ Tvedestrand	Mason, A. (1976) The world of Rocks and Minerals. New York, N.Y., Larousse & Co., 108 pages.
ⓘ Solbutjernane	Visser, Diederik, Senior, Antony (1991) Mg-rich dumortierite in cordierite-orthoamphibole-bearing rocks from the high-grade Bamble Sector, south Norway. Mineralogical Magazine, 55 (381) 563-577 doi:10.1180/minmag.1991.055.381.09
Innlandet Lom ⓘ Store Memurutind	Wilke, Hans-Jürgen (1976) Mineralfundstellen - Ein führer zum Selbstsammeln. Band 4 Skandinavien. Christian Weise Verlag, München. p.1-370.
Rogaland Lund Flatestøl ⓘ Almgjotheii	Grew, Edward S., McGee, James J., Yates, Martin G., Peacor, Donald R., Rouse, Roland C., Huijsmanns, Joep P. P., Shearer, Charles K., Wiedenbeck, Michael, Thost, Douglas E., Su, Shu-Chun (1998) Boralsilite (Al16B6Si2O37); a new mineral related to sillimanite from pegmatites in granulite-facies rocks. American Mineralogist, 83 (5). 638-651 doi:10.2138/am-1998-5-624
Troms og Finnmark Hasvik ⓘ Seineset	Sturt, B.A., Taylor J. (1972) The Timing and Environment of Emplacement of the Storelv Gabbro, Sørøy. Norges Geologiske Undersøkelse. NGU Bulletin 272 p.1-34.
ⓘ Sørøya	Bøe, Per (2001) Geologi og mineralogi på Sørøya i Finnmark. Norsk Bergverksmuseum Skrift, 18. 23-29
Vestfold og Telemark Bamble ⓘ Bjordam	Visser, Diederik, Senior, Antony (1991) Mg-rich dumortierite in cordierite-orthoamphibole-bearing rocks from the high-grade Bamble Sector, south Norway. Mineralogical Magazine, 55 (381) 563-577 doi:10.1180/minmag.1991.055.381.09
Valle ⓘ Dumortierite occurrence	Kvamsdal, Lars O. (2001) Dumortieritt-og sillimanittpegmatitter fra Bamble og Kragerø. STEIN. Nordisk magasin for populær geologi, 28 (1) 8-10
ⓘ Kragerø	Kvamsdal, Lars O. (2001) Dumortieritt-og sillimanittpegmatitter fra Bamble og Kragerø. STEIN. Nordisk magasin for populær geologi, 28 (1) 8-10
Kragerø Archipelago ⓘ Gressholmen	Knut Edvard larsen collection # 4149 (Ex L.O.Kvamsdal collection) Kvamsdal, Lars O. (2001) Dumortieritt-og sillimanittpegmatitter fra Bamble og Kragerø. STEIN. Nordisk magasin for populær geologi, 28 (1) 8-10
Holmen ⓘ Holmen pegmatite	Atle Michalsen Collection, photo id-266775
Peru
Arequipa Arequipa Province Yarabamba District ⓘ Cerro Verde Mine	Petersen, G.G. (1970) Minería y metalurgía en el antiguo Peru. Arqueologicas, 12 140pp. (Museo Nacional de Antropologia y Arqueologia, Lima)
Lima Canta Province ⓘ Canta District	J.Hyrsl (2012) Gemstones of Peru, p. 49
ⓘ Cucucha	Petersen, G.G. (1970) Minería y metalurgía en el antiguo Peru. Arqueologicas, 12 140pp. (Museo Nacional de Antropologia y Arqueologia, Lima)
ⓘ Moquegua	J.Hyrsl (2012) Gemstones of Peru, p. 49
Puno Melgar Province ⓘ San Rafael Mine	Mlynarczyk, M. S. (2005). Constraints on the Genesis of Lode-style Tin Mineralization: Evidence from the San Rafael Tin-copper Deposit, Peru (Doctoral dissertation, McGill University).
Poland
Lower Silesian Voivodeship Dzierżoniów County Gmina Pieszyce Rościszów ⓘ Mount Młyńsko	Lis, Józef, Sylwestrzak, Hubert (1986) Minerały Dolnego Śląska [Minerals of the Lower Silesia]. Wydawnictwa Geologiczne, Warszawa. p.1-791.
Karkonosze County Karpacz ⓘ Krucze Skały	Elek Szełęg collection
ⓘ Szklarska Poręba	Mochnacka, K., Banaś, M. (2000): Occurrence and genetic relationships of uranium and thorium mineralization in the Karkonosze-Izera Block (The Sudety Mts, SW Poland). Annales Societatis Geologorum Poloniae: 70: 137-150
ⓘ Szklarska Poręba Huta granite quarry	Pieczka A., Gołębiowska B. 2002: Pegmatites of the Szklarska Poręba Huta granite quarry: preliminary data on REE-mineralization. Mineralogia Polonica, vol. 20, 175-177
Ząbkowice Śląskie County Gmina Ząbkowice Śląskie Szklary ⓘ Mt. Szklana Mine (Szklary pegmatite)	Pieczka, A. Grew, E.S. Groat, L.A. Evans, R.J. (2011): Holtite and dumortierite from the Szklary Pegmatite, Lower Silesia, Poland. Mineralogical Magazine 75, 303-315. Pieczka, A., Evans, R. J., Grew, E. S., Groat, L. A., Ma, C., & Rossman, G. R. (2013). The dumortierite supergroup. II. Three new minerals from the Szklary pegmatite, SW Poland: Nioboholtite,(Nb0. 6⃞0. 4) Al6BSi3O18, titanoholtite,(Ti0. 75⃞0. 25) Al6BSi3O18, and szklaryite, ⃞Al6BAs33+ O15. Mineralogical Magazine, 77(6), 2841-2856. Pieczka, A., Biagioni, C., Gołębiowska, B., Jeleń, P., Pasero, M., & Sitarz, M. (2018). Parafiniukite, Ca2Mn3 (PO4) 3Cl, a New Member of the Apatite Supergroup from the Szklary Pegmatite, Lower Silesia, Poland: Description and Crystal Structure. Minerals, 8(11), 485. Szuszkiewicz, Adam, Adam Pieczka, Bożena Gołębiowska, Magdalena Dumańska-Słowik, Mariola Marszałek, and Eligiusz Szełęg. (2018) "Chemical Composition of Mn- and Cl-Rich Apatites from the Szklary Pegmatite, Central Sudetes, SW Poland: Taxonomic and Genetic Implications" Minerals 8, no. 8: 350. https://doi.org/10.3390/min8080350
Russia
Chelyabinsk Oblast Karabash ⓘ Dumortierite mine	Scott, Graeme (2012) Crystal chemistry and synthesis of selected borosilicate minerals., University of British Columbia. webmineral.ru (2016) http://webmineral.ru/deposits/item.php?id=3575
Magadan Oblast Omsukchansky District Ducat ore field Sn-Ag zone ⓘ Novo-Dzhagyn deposit	Frank K. Mazdab collection (thin section FKM-327 (n.d.)
ⓘ Sakha	[World of Stones 12:49]
Aldan ⓘ Tayezhnoe Fe-B skarn (Tayozhnoye)	P.M. Kartashov data
Sverdlovsk Oblast Rezhevsky District Lipovsk pegmatite field ⓘ Lipovka Mine (Lipovskoe Mine; Lipovskaya Mine; Lipovaya Mine)	Igor.V. Pekov, Lyudmila R. Memetova (2008) Minerals of the Lipovka Granite Pegmatites, Central Urals, Russia. Mineralogical Almanac 13:6-45
Slovakia
Banská Bystrica Region Detva District Detva ⓘ Biely vrch	Koděra P., Lexa J., Biroň A., Bakos F. (2008): Mineralogy and alteration pattern of the Biely Vrch Au-porphyry deposit, Slovakia. Mineralogia - Special Papers, 32, 94-95. Juraj ŽItňan, Peter Koděra & Pavel Uher (2011) Characteristics of advanced argillic alteration at Biely Vrch and Kalinka localities, Javorie stratovolcano, Slovakia.SGA Student Conference Mineral resources for the society Prague, April15 19,2011
Vígľašská Huta-Kalinka ⓘ Quartzite quarry	Daniel Ozdín collection
Košice Region Sobrance District Remetské Hámre ⓘ Kapka	Bacsó Z. & Ďuďa R., 1988: Metalogenéza a rudné formácie rudného poľa Remetské Hámre. Min. Slovaca, Bratislava, 3, 193-220.
South Africa
Northern Cape ⓘ Namakwa District Municipality	Cairncross, Bruce (2004) Field Guide to Rocks & Minerals of Southern Africa. 288pp.
ZF Mgcawu District Municipality Kai !Garib Local Municipality Kenhardt ⓘ N'Rougas Suid Farm	Cairncross, B. and Dixon, R., (1995) Cairncross, B., Dixon, R. (1995) Cairncross, B., Dixon, R. (1995) Minerals of South Africa. Geological Society of South Africa, PO Box 44283, Linden 2104, South Africa.. The Geological Society of South Africa, p 203
South Korea
ⓘ Miriyan mine	Sudo, Sadahisa Kim, Moon Young Koh, Sang Mo Takagi, Tetsuichi (1999): Roseki ore deposits of Southeast Korea - Miriyan mine, occurrence of dumortierite. Chishitsu Nyusu 534, 43-50.
ⓘ Miryang Mine (Miryang Pyrophyllite Deposit)	Takagi, T. et al. (2008): Geology and Hydrothermal Alteration of the Milyang Pyrophyllite Deposit, Southeast Korea. Resource Geology 50(4), 243-256.
Spain
Andalusia Málaga Álora ⓘ El Sapo mine	Romero Silva, J.C. (2003) Minerales y Rocas de la provincia de Málaga. Published by CEDMA Málaga County council. 318 pages, 1map. (in Spanish).
Carratraca Los Jarales ⓘ San Juan Evangelista Mine (San Juan Mine)	Calvo, M. (2018). Minerales y Minas de España. Vol IX. Silicatos. Escuela Técnica Superior de Ingenieros de Minas de Madrid. Fundación Gómez Pardo. 767 págs.
Cártama ⓘ Trascastillo	Alejandro Sánchez Jiménez
Igualeja ⓘ El Robledal Mine (Cañuelo skarn)	Geological Museum of Malaga
Torrox ⓘ Cerro Pastora	Garcia Casco,A (1993) . Evolucion metamorfica del complejo gneisico de Torrox
Sri Lanka
Western Province Colombo District ⓘ Homagama pegmatite	Grew, E. S. Hiroi, Y. Motoyoshi, Y. Kondo, Y. Jayatileke, S. J. M. Marquez, N. (1995) Iron-rich kornerupine in sheared pegmatite from the Wanni Complex, at Homagama, Sri Lanka. European Journal of Mineralogy, 7 (3): 623 - 636
Sweden
Jämtland County Åre Åreskutan ⓘ Fröå Mines	No reference listed
Norrbotten County Boden Harads ⓘ Svanisträsk	Collection of Naturhistoriska Riksmuseet i Stockholm (The Natural History Museum), Sweden.
ⓘ Sandträsket	Thorin, L. (1990): Mer om Lapplandsmineral. Stuffen (Medlemsblad för Södertörn Amatörgeologiska Sällskap). Nr 40 (Mar. 1990), 14
Pajala Junosuando ⓘ Dumortierite locality	Thorin, Lennart (1989) Några ovanligare mineral i Lapplandsgruvorna [Some rarer minerals in the Lapland mines]. Stuffen Medlemsblad för Södertörns Amatørgeologiska Sällskap [The specimen. Member magazine for Södertörns amateurgeological society] 39, 15-16
Switzerland
Grisons Maloja Region Bregaglia Upper Val Bregaglia Val Forno ⓘ Forno glacier	Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): Mineralienlexikon der Schweiz. Wepf (Basel), p. 144.
Ticino Bellinzona Arbedo-Castione ⓘ Castione	Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): Mineralienlexikon der Schweiz. Wepf (Basel), p. 144.
Locarno Brissago ⓘ Crodolo Valley	Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): Mineralienlexikon der Schweiz. Wepf (Basel), p. 144.
ⓘ Ponte Valley	Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): Mineralienlexikon der Schweiz. Wepf (Basel), p. 144.
UK
England ⓘ Cornwall	Golley, Peter, Williams, Richard (1995) Cornish Mineral Reference Manual. Endsleigh Book Co., Truro. 71pp.
Devon West Devon ⓘ Sticklepath	[Specimen in the Natural History Museum, London]
Scotland Renfrewshire Bishopton ⓘ Bishopton tunnel	Van King collectionIdentified by Van King: Visual Identification
Ukraine
Zhytomyr Oblast Zhytomyr Raion ⓘ Khoroshiv Raion (Volodarsk-Volynskii)	Lyckberg, P., Chornousenko, V. & Wilson, W. E. (2009): Volodarsk-Volynski, Zhitomir Oblast, Ukraine. Mineralogical Record, 40, 473-506.
USA
Alaska Nome Census Area Port Clarence Mining District York Range ⓘ Ear Mountain	Econ Geol (1988) 83:46-61
Arizona Cochise County Willcox ⓘ Willcox Dumortierite occurrence	Duke, A. (1960), Arizona gem fields, 2nd. ed., Southwest printers, Yuma, AZ Funnell, J.E. & E.J. Wolfe (1964), Compendium on nonmetallic minerals of Arizona, Southwest Research Institute, San Antonio, TX. Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 210
La Paz & Yuma Cos. Ehrenberg to Yuma area ⓘ Colorado River	Wilson, E.D. (1929), An occurrence of dumortierite near Quartzsite, AZ, Am.Min.: 14: 373-381 Galbraith, F.W. & D.J. Brennan (1959), Minerals of AZ: 102. Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 210
La Paz County ⓘ Dome Rock Mountains	Reynolds, S.J. et al (1988), Geologic setting of Mesozoic and Cenozoic metamorphism in AZ, in W.G. Ernst (editor), Metamorphism and crustal evolution of the western United States. Ruby Vol. No. 7, Prentice Hall, NY: 466-501. Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 270
Quartzsite ⓘ Dumortierite occurrence [1]	Bideaux, R.A., et al (1960), Some new occurrences of minerals of AZ, AZ Geol. Soc. Digest: 3: 53-56 Reynolds, S.J., et al (1988), Geologic setting of mesozoic and Cenozoic metamorphism in AZ, in W.G. Ernst (editor), Metamorphism and crustal evolution of the western United States. Ruby volume No. 7. Prentice Hall, New York: 466-501. Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 210, 273
ⓘ Quartzsite deposit (Bayles deposit; Dumortierite deposit)	Wilson, E.D. (1929), An occurrence of dumortierite near Quartzsite, AZ, Am.Min.: 14: 373-381 Wilson, E.D. (1933), Geology and mineral deposits of southern Yuma Co., AZ, AZ Bur. Mines Bull. 134 Galbraith, F.W. & D.J. Brennan (1959), Minerals of AZ: 98, 102. Duke, A. (1960), Arizona gem fields, 2nd. edition, Southwest Printers, Yuma, AZ Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 110, 210
Silver Mining District Hidden Valley ⓘ Clip	Diller, J.S. & J.E. Whitfield (1889), Dumortierite from Harlem, NY and Clip, AZ, Amer. Jour. Sci., 3rd. series: 37: 216-220 Ford, W.E. (1902), On the chemical composition of dumortierite (from Clip, AZ), Amer. Jour. Sci., 4th. series: 14: 426-430 Schaller, W.T. (1905), Dumortierite, USGS Bull. 262: 91-120 Bowen, N.L. & R.W.G. Wyckoff (1926), A petrologic and X-ray study of the thermal dissociation of dumortierite (from Clip, AZ), Jour. Wash. Acad. Sci.: 16: 178-189 Wilson, E.D. (1933), AZ Bur. of Mines Bull. 134: 43. Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 210
ⓘ Clip Mine (Silver Clip Mine; Blaine Mine; Silver Mines Consolidated Mine)	Mineralogical Record- 21- 162
ⓘ Clip Wash	MRDS database Dep. ID file #10056453, MRDS ID #TC00272.
Santa Cruz County Patagonia Mountains Patagonia Mining District Nogales ⓘ Northeast of Nogales	Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 210.
ⓘ Yuma County	Mason, A. (1976) The world of Rocks and Minerals. New York, N.Y., Larousse & Co., 108 pages.
California Fresno County Kaiser Wilderness area ⓘ Unnamed Skarn occurrence [1]	Ted A. Hadley and Daniel J. Evanich (2021), Primary Borate Mineralogy of the Huntington Lake Region, Kaiser Wilderness, Fresno County, California. Mineral News 37:1
Imperial County Chocolate Mountains Chocolate Mountains Mining District Indian Pass ⓘ Indian Pass placer	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Picacho Mining District Picacho Peak ⓘ Unnamed Dumortierite occurrence [2]	Van Nostrand Reinholt Press: 454. Ransom, J.E. (1955) Arizona gem trails and the Colorado Desert. Mineralogist Publishing Co., Portland, Oregon: 19-20 Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc. U.S. Bureau of Mines Open File Report MLA 18-86 (1986): No. 15, Table 1, p. 11.
Ogilby ⓘ Unnamed Dumortierite occurrences [1]	Kunz, George Frederick (1894), Precious stones: Mineral Resources U.S., 1893: 697 Kunz, George F. (1905) Gems, Jewelers' Materials, and Ornamental Stones of California. Bulletin 37 (2nd ed.) California State Mining Bureau Tucker, W. Burling (1926), Imperial, Inyo Counties: California Mining Bureau. Report 22: 269 Wolff, J.E. (1930), Dumortierite from Imperial County: American Mineralogist: 15: 188-193.
Kern County Lost Hills (Lost Hill) ⓘ Lazard area [1]	Reed, Ralph Daniel & J.P. Bailey (1927), Subsurface correlation by means of heavy minerals: American Association of Petroleum Geologists Bulletin: 11: 363 Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 173 Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.
ⓘ Lazard area [2]	Reed, Ralph Daniel & J.P. Bailey (1927), Subsurface correlation by means of heavy minerals: American Association of Petroleum Geologists Bulletin: 11: 363 Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 102.
ⓘ Los Angeles County	No reference listed
ⓘ Temescal Canyon	Scott, Graeme (2012) Crystal chemistry and synthesis of selected borosilicate minerals., University of British Columbia.
Riverside County Corona ⓘ Unnamed Dumortierite occurrence [3]	Van Nostrand Reinholt Press: 454. Murphy, Franklin Mac (1930), Dumortierite in Riverside County: American Mineralogist: 15: 79-80 Larsen, Esper S. Jr. (1948) Batholith and Associated Rocks of Corona, Elsinore, and San Luis Rey Quadrangles Southern California. GSA Memoir 29. Geological Society of America doi:10.1130/mem29 Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.
El Cerrito ⓘ Cajalco Mine (Cajalco Tin Mine; Cajalco Dumortierite occurrence)	American Mineralogist (1930) 15: 79-80 (2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Unnamed Dumortierite occurrence [1]	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Unnamed Dumortierite occurrence [2]	Murphy, Franklin Mac (1930), Dumortierite in Riverside County: American Mineralogist: 15: 79-80 Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 173.
Menifee Mining District (Auld Mining District) Winchester ⓘ Hemet Magnesite Mine (Hemet Magnesite property)	Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 173 Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.
ⓘ San Diego County	Mason, A. (1976) The world of Rocks and Minerals. New York, N.Y., Larousse & Co., 108 pages.
ⓘ Dehesa	Handbook of Mineralogy Scott, Graeme (2012) Crystal chemistry and synthesis of selected borosilicate minerals., University of British Columbia.
Laguna Mountains Alpine ⓘ Dehesa Dumortierite deposit (Lehesa Dumortierite deposit)	Van Nostrand Reinholt Press: 454. Ford, William Ebenezer (1902), On the chemical composition of dumortierite: American Journal of Science, 4th. Series: 14: 427 Kunz, George F. (1905) Gems, Jewelers' Materials, and Ornamental Stones of California. Bulletin 37 (2nd ed.) California State Mining Bureau Schaller, Waldemar Theodore (1905a), Dumortierite: American Journal of Science, 4th. Series: 19: 211 Weber, F. Harold Jr. (1963) Geology and mineral resources of San Diego County, California. County Report 3. California Division of Mines and Geology p.171 Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 79, 173 Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.
Colorado Fremont County ⓘ Grape Creek area	Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
Connecticut Fairfield County Danbury ⓘ North Street mall ?	Former Ronald Januzzi collection
Maine Oxford County Albany ⓘ Albany Rose Quarry	King, V., 2009, Maine Feldspar, families, and Feuds King, V. (ed.), 2009, Maine feldspar, Families, and Feuds.
ⓘ Bumpus Quarry	King, V., 2009, Maine Feldspar, families, and Feuds
ⓘ French Mountain prospect	King, Vandall T. (2000) Mineralogy of Maine Vol. 2 - Mining History, Gems, and Geology. Maine Geological Survey.
ⓘ Round Mountain Rose Quartz locality	King, V. (ed.), 2009, Maine feldspar, Families, and Feuds
ⓘ Scribner Ledge Quarry	King, V. (ed.), 2009, Maine feldspar, Families, and Feuds
ⓘ Stearns Quarry	King, V. (ed.), 2009, Maine feldspar, Families, and Feuds
ⓘ Wardwell Quarry (Pechnic Quarry)	King, V. (ed.), 2009, Maine feldspar, Families, and Feuds
Batchelders Grant ⓘ Peabody Mountain Quarry (Nason Quarry)	King, V. (ed.), 2009, Maine feldspar, Families, and Feuds
Buckfield ⓘ Bennett Quarry	King, V., 2008, Maine Feldspar, Families, and Feuds
Gilead ⓘ Wheeler Quarries	King, V. (ed.), 2009, Maine feldspar, Families, and Feuds
Greenwood ⓘ Nubble Quarry	King, V., 2008, Maine Feldspar, Families, and Feuds
Hebron Mount Rubellite ⓘ Hibbs Quarry	King, V., 2008, Maine Feldspar, Families, and Feuds
ⓘ Sanitarium Quarry	King, V., 2008, Maine Feldspar, Families, and Feuds
Lovell ⓘ Skillings Hill prospect	King, V., 2008, Maine Feldspar, Families, and Feuds
Mason ⓘ Peabody Mountain Quarry	King, V., 2008, Maine Feldspar, Families, and Feuds
Norway ⓘ B.B. No. 7 Quarry	King, Vandall T. (2000) Mineralogy of Maine Vol. 2 - Mining History, Gems, and Geology. Maine Geological Survey.
ⓘ Dunn Quarry	King, Vandall T. (2000) Mineralogy of Maine Vol. 2 - Mining History, Gems, and Geology. Maine Geological Survey.
ⓘ Tubbs Ledge Prospect	King, Vandall T. (2000) Mineralogy of Maine Vol. 2 - Mining History, Gems, and Geology. Maine Geological Survey.
Paris ⓘ Colby Quarry	King, Vandall T. (2000) Mineralogy of Maine Vol. 2 - Mining History, Gems, and Geology. Maine Geological Survey.
ⓘ Hooper Ledge Quarry	King, Vandall T. (2000) Mineralogy of Maine Vol. 2 - Mining History, Gems, and Geology. Maine Geological Survey.
ⓘ Irish prospect	King, Vandall T. (2000) Mineralogy of Maine Vol. 2 - Mining History, Gems, and Geology. Maine Geological Survey.
Sagadahoc County ⓘ Georgetown	King, Vandall T., Foord, Eugene E. (1994) Mineralogy of Maine Vol. 1 - Descriptive mineralogy. Maine Geological Survey.
ⓘ Woolwich	King, Vandall T., Foord, Eugene E. (1994) Mineralogy of Maine Vol. 1 - Descriptive mineralogy. Maine Geological Survey.
ⓘ Route 1 Road Cut
Montana ⓘ Beaverhead County	Jay Ellis Ransom,1974, Gems and Minerals of America
ⓘ Jefferson County	Jay Ellis Ransom,1974, Gems and Minerals of America
Cataract Mining District (Comet Mining District; Basin Mining District) ⓘ Dumortierite Deposit	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Three Brothers ⓘ Jack Creek Ridge Dumortierite occurrence	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Madison County Ruby Range ⓘ Dumortierite Pegmatite Locality (MRDS - 10019821)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Nevada Clark County Virgin Mountains Bunkerville Mining District ⓘ Unnamed Pegmatite [1]	Castor, Stephen B., Ferdock, Gregory C. (2004) Minerals of Nevada. Special Publication 31. Nevada Bureau of Mines and Geology
Mineral County Fitting Mining District ⓘ Green Talc Mine (Donnelly Andalusite Mine)	Castor, Stephen B., Ferdock, Gregory C. (2004) Minerals of Nevada. Special Publication 31. Nevada Bureau of Mines and Geology
Toquima Range Barcelona Mining District (Spanish Belt Mining District) ⓘ Dover claim	Castor, Stephen B., Ferdock, Gregory C. (2004) Minerals of Nevada. Special Publication 31. Nevada Bureau of Mines and Geology
Nye County Toquima Range ⓘ Manhattan Mining District	Castor, Stephen B., Ferdock, Gregory C. (2004) Minerals of Nevada. Special Publication 31. Nevada Bureau of Mines and Geology
ⓘ Round Mountain Mining District	Castor, Stephen B., Ferdock, Gregory C. (2004) Minerals of Nevada. Special Publication 31. Nevada Bureau of Mines and Geology
ⓘ Pershing County	Mason, A. (1976) The world of Rocks and Minerals. New York, N.Y., Larousse & Co., 108 pages.
Rochester Mining District ⓘ Lincoln Hill dumortierite deposit	NBMG Bull 89 Geology and Mineral Resources of Pershing County, Nevada (2005) Mineral Resources Data System (MRDS), US Geological Survey. Ma, C. & Rossman, G.R. (2006): Ganterite, the barium mica Ba0.5K0.5Al2(Al1.5Si2.5)O10(OH)2, from Oreana, Nevada. American Mineralogist, 91, 702-705.
Sacramento Mining District ⓘ Allied Tungsten Prospect (Unnamed Silver Prospect)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Champion Mine (Champion Sillimanite Co. Quarry)	Castor, Stephen B., Ferdock, Gregory C. (2004) Minerals of Nevada. Special Publication 31. Nevada Bureau of Mines and Geology (2005) Mineral Resources Data System (MRDS), US Geological Survey.
Washoe County Deephole Mining District ⓘ Unnamed pegmatite	Castor, Stephen B., Ferdock, Gregory C. (2004) Minerals of Nevada. Special Publication 31. Nevada Bureau of Mines and Geology
New Mexico Luna County Tres Hermanas Mountains Tres Hermanas Mining District ⓘ Dumortierite locality	NMBMMR Bull 72 Mineral Deposits of Luna County, New Mexico
Rio Arriba County ⓘ Petaca Mining District	Northrop, Stuart A., LaBruzza, F.A. (1996) Minerals of New Mexico (3rd ed.) University of New Mexico Press, Albuquerque, NM.
ⓘ La Madera	NMBMMR Bull 87 Mineral and Water Resources of New Mexico
ⓘ La Madera Mtn.	Jahns, R. H., (1946) Mica Deposits of the Petaca District, Rio Arriba County, New Mexico, with Brief Descriptions of the Ojo Caliente District, Rio Arriba County, and the Elk Mountain District, San Miguel County. NMBMGR Bulletin 25.
ⓘ New York	Manchester, James G. (1931) The Minerals of New York City and its Environs. Bulletin of the New York Mineralogical Club Vol. 3 (1) New York Mineralogical Clubp.84
New York City Manhattan (New York County) ⓘ 171st Street & Broadway	Manchester, James G. (1931) The Minerals of New York City and its Environs. Bulletin of the New York Mineralogical Club Vol. 3 (1) New York Mineralogical Club
ⓘ Manhattan Island	The New York State Museum Catalog No. 18514
Washington Heights ⓘ Fort Washington Avenue & 171st Street	Hovey, E.O. (1896) The Mineral Collector, Vol. 2, No. 11, pg. 175-176
ⓘ The Bronx (Bronx County)	NY State Museum spec. no. 16908
Saratoga County Batchellerville ⓘ Clapska Mining Company quarry	George Robinson & Steven Chamberlain (2007) Gazetteer of major New York State mineral localities. Rocks & Minerals, 82, #6, 472-483. George Robinson & Steven Chamberlain (2007) Gazetteer of major New York State mineral localities. Rocks & Minerals, 82, #6, 472-483.
Edinburg Township Batchellerville ⓘ Claspka Mining Company Quarry	Rocks & Minerals 82:472-483
ⓘ Garnet Pit	Marian Lupulescu (2010) The Pegmatites of New York. The 37th Rochester Mineralogical Symposium, April 15-18, 2010
St. Lawrence County Star Lake Benson ⓘ Benson Mines	Marian Lupulescu, D. Bailey, and Mike Hawkins (2010) Mineralogy of the Benson Mines Proterozoic iron deposit, Star Lake, St. Lawrence County, NY. The 37th Rochester Mineralogical Symposium, April 15-18, 2010
Westchester County Mount Pleasant ⓘ Valhalla	Jensen (1978) Minerals of New York State, p.86
North Carolina Alexander County ⓘ Hiddenite	Charles Palache,S.C Davidson,E.A Goranson,Aug- 1930,The Hiddenite Deposit in Alexander County,North Carolina,American Mineralogist,Vol.15, No.8
ⓘ Cleveland County	Kesler,T.L.,1942,The Tin-Spodumene Belt Of The Carolinas:USGs Bulletion No.936-J
ⓘ Dixon Creek	Wilson,W.F and Mckenzie,B.J ,1978, Mineral Collecting Sites in North Carolina,Information Circular 24
ⓘ Gaston County	Kesler,T.L.,1942,The Tin-Spodumene Belt Of The Carolina USGS Bulletion No.936-J
ⓘ Crowders Mountain State Park	Genth,F.A and Kerr,W.C,1881,Mineral and Mineral Localities of North Carolina,Geologic Survey
Lincolnton ⓘ Clubb Mountain Kyanite Prospects (Chubb Mountain Kyanite Prospects)	Genth,F.A and Kerr,W.C, 1881,Mineral Localities of North Carolina, Geologic Survey, North Carolina
Pennsylvania Chester County Valley Township Coatesville ⓘ Coatesville pegmatite locality	Mineral Collecting in PA (1976) Geyer, Smith, Barnes, pgs. 73-75
Utah Emery County Emery ⓘ Ferron Sandstone Member Mancos Shale	Bullock, Kenneth C. (1981) Minerals and mineral localities of Utah. Bulletin 117. Utah Geological and Mineral Survey
ⓘ Phillips Huntington No. 1 Well	Bullock, Kenneth C. (1981) Minerals and mineral localities of Utah. Bulletin 117. Utah Geological and Mineral Survey
Washington King County Snoqualmie Mining District Middle Fork of the Snoqualmie River ⓘ Dutch Miller Gap	Cannon, B. (1975): Minerals of Washington, p.84
ⓘ Dutch Miller Mine	Thurber, H.K., Miller, M.S., McMahan, A.B., Federspiel, F.E. (1989) Economic Appraisal of the Alpine Lakes Study Area and Additions, Washington. US Geological Survey Bulletin 1542-E.
ⓘ Granite Lakes	Cannon, B. (1975): Minerals of Washington, p.84
Skamania County Washougal Mining District Washougal River ⓘ North Fork Washougal River	Cannon, B. (1975): Minerals of Washington, p.43,84
Zimbabwe
Mashonaland West ⓘ Karoi District	Cairncross, Bruce (2004) Field Guide to Rocks & Minerals of Southern Africa. 288pp.
Matabeleland South Beitbridge District ⓘ Rainbow Mite Mine	Cairncross, Bruce (2004) Field Guide to Rocks & Minerals of Southern Africa. 288pp.