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Tourmaline

A group of related mineral species
This page kindly sponsored by Sue Hankard
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About TourmalineHide

Formula:
AD3G6 (T6O18)(BO3)3X3Z
A = Ca, Na, K, Pb or is vacant;

D = Al, Fe2+, Fe3+, Li, Mg2+, Mn2+, Ti;

G = Al, Cr3+, Fe3+, V3+;

T = Si almost exclusively, although there can sometimes be minor Al and/or B3+ substitution. In adachiite only thus far, the T sites include one essential Al;

X = O and/or OH;

Z = F, O and/or OH
Hardness:
7
Specific Gravity:
2.9 - 3.1
Crystal System:
Trigonal
Name:
Reported by Christianus-Fridericus Garmann in 1707. The name "tourmali" was a generic name used in Ceylon [Sri Lanka] for colored gems, mostly zircons. About 1703, it had been discovered by Dutch lapidaries that some of the "zircons" arriving in the Netherlands were actually a previously undescribed mineral. Several names were given to the new mineral including "Pierre de Ceylan", by Lemery in 1717. Tourmalin, as a more or less specific mineral name, was used by Rinmann in 1766. Hill called it Tourmaline Garnet in 1771 and Richard Kirwan shortened the name to "Tourmaline" in 1794.
Tourmaline (synonymous with tourmaline group) comprises trigonal borosilicates of the cyclosilicate superclass. The nomenclature was revised by Henry et al. (2011).

Notes on the general formula:
- Additional cations are reported substituting in minor amounts for the principal cations of the G and D sites.
- The X and Z sites are usually combined in the simplified formula for the Group as Z4.

The structure for the group is one in which SiO4 tetrahedra are linked into six-membered rings having a hexagonal pattern and are stacked up with intervening distorted triangular BO3 groups, linked by D site cations; the SiO4 tetrahedra are linked vertically by G site cations and X site anions, while the columns are linked horizontally by both D site cations and X site anions. The A site cations and the Z site anions occupy the channels down the centre of the columns (or the A site may be vacant). Additionally, tetrahedral boron ([4]B) may be present in both natural and synthetic tourmalines (Kutzschbach et al., 2016).

Trigonal, in general.

Luinaite-(OH) seemed to represent a monoclinic (pseudo-rhombohedral) distorted variant (space group Cm) of the tourmaline structure. This species was, however, discredited. Unnamed (or: schorl-1A) triclinic variants have also been reported (e.g., Cámara et al., 2022).

Color change, from deep-green to dark-red, with an increasing path length of light, occurring in Cr-bearing tourmalines, is known as the Usambara effect. Although similar to the alexandrite effect, the color change in this case is due to (1) spectral positions of the spin-allowed bands of absorption of Cr3+ ions, (2) specific ratio of the transmission of light in two windows of transparency (green and red), and (3) exponential dependence of the light transmittance on the sample thickness. Other than Cr chromophores, like Fe, suppress the effect (Taran & Naumenko, 2016).

According to Hawthorne & Dirlam (2021), some tourmalines could be used by Vikings as a navigational aid (piezoelectric gauges).

Recent (2021/2022) studies report further elements that can be moderately to strongly enriched in tourmalines, including Ni and Sn.




Unique IdentifiersHide

Mindat ID:
4003
Long-form identifier:
mindat:1:1:4003:3
GUID
(UUID V4):
9f031785-dde7-4e3d-a56e-5610364b9205

Mineral SymbolsHide

As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.

Please only use the official IMA–CNMNC symbol. Older variants are listed for historical use only.

SymbolSourceReference
TurIMA–CNMNCWarr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43
TurKretz (1983)Kretz, R. (1983) Symbols of rock-forming minerals. American Mineralogist, 68, 277–279.
TurSiivolam & Schmid (2007)Siivolam, J. and Schmid, R. (2007) Recommendations by the IUGS Subcommission on the Systematics of Metamorphic Rocks: List of mineral abbreviations. Web-version 01.02.07. IUGS Commission on the Systematics in Petrology. download
TurWhitney & Evans (2010)Whitney, D.L. and Evans, B.W. (2010) Abbreviations for names of rock-forming minerals. American Mineralogist, 95, 185–187 doi:10.2138/am.2010.3371
TurThe Canadian Mineralogist (2019)The Canadian Mineralogist (2019) The Canadian Mineralogist list of symbols for rock- and ore-forming minerals (December 30, 2019). download

Pronunciation of TourmalineHide

Pronunciation:
PlayRecorded byCountry
Jolyon RalphUnited Kingdom

Physical Properties of TourmalineHide

Hardness:
Fracture:
Irregular/Uneven, Conchoidal
Density:
2.9 - 3.1 g/cm3 (Measured)    

Chemistry of TourmalineHide

Mindat Formula:
AD3G6 (T6O18)(BO3)3X3Z

A = Ca, Na, K, Pb or is vacant;

D = Al, Fe2+, Fe3+, Li, Mg2+, Mn2+, Ti;

G = Al, Cr3+, Fe3+, V3+;

T = Si almost exclusively, although there can sometimes be minor Al and/or B3+ substitution. In adachiite only thus far, the T sites include one essential Al;

X = O and/or OH;

Z = F, O and/or OH

Crystallography of TourmalineHide

Crystal System:
Trigonal

Crystallographic forms of TourmalineHide

Crystal Atlas:
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Tourmaline no.4 - Goldschmidt (1913-1926)
Tourmaline no.309 - Goldschmidt (1913-1926)
3d models and HTML5 code kindly provided by www.smorf.nl.

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IDSpeciesReferenceLinkYearLocalityPressure (GPa)Temp (K)
0000221Fluor-buergeriteTippe A, Hamilton W C (1971) A neutron-diffraction study of the ferric tourmaline, buergerite American Mineralogist 56 101-1131971Mexquitic, San Luis Potosi, Mexico0293
0018672Fluor-buergeriteBarton R (1969) Refinement of the crystal structure of buergerite and the absolute orientation of tourmalines Acta Crystallographica B25 1524-15331969Mexquitic, San Luis Potosi, Mexico0293
0018787Fluor-buergeriteGrice J D, Ercit T S (1993) Ordering of Fe and Mg in the tourmaline crystal structure: The correct formula Neues Jahrbuch fur Mineralogie, Abhandlungen 165 245-2661993Mapimi, Durango, Mexico0293
0000045DraviteHamburger G E, Buerger M J (1948) The structure of tourmaline American Mineralogist 33 532-5401948de Kalb, New York, USA0293
0000739DraviteFoit F F, Rosenberg P E (1979) The structure of vanadium-bearing tourmaline and its implications regarding tourmaline solid solutions American Mineralogist 64 788-7981979Silver Knob, Mariposa County, California, USA0293
0001551DraviteHawthorne F C, MacDonald D J, Burns P C (1993) Reassignment of cation site occupancies in tourmaline: Al-Mg disorder in the crystal structure of dravite American Mineralogist 78 265-2701993Osarar, Narok District, Kenya0293
0002913DraviteCamara F, Ottolini L, Hawthorne F C (2000) Crystal chemistry of three tourmalines by SREF, EMPA and SIMS American Mineralogist 87 1437-14422000Madagascar0293
0004680DraviteBosi F (2008) Disordering of Fe2+ over octahedrally coordinated sites of tourmaline American Mineralogist 93 1647-16532008Uto Island, south of Stockholm, Sweden0293
0018457DraviteHughes J M, Rakovan J, Ertl A, Rossman G R, Baksheev I, Bernhardt H-J (2011) Dissymmetrization in tourmaline: the atomic arrangement of sectorally zoned triclinic Ni-bearing dravite The Canadian Mineralogist 49 29-402011Berezovskoe gold deposit, Middle Urals, Russia0293
0019716DraviteBacik P, Uher P, Ertl A, Jonsson E, Nysten P, Kanicky V, Vaculovic T (2012) Zoned REE-enriched dravite from a granitic pegmatite in Forshammar Bergslagen Province, Sweden: An EMPA, XRD and LA-ICP-MS study The Canadian Mineralogist 50 825-8412012Forshammar Bergslagen Province, Sweden0293
0007038DraviteBosi F, Lucchesi S (2004) Crystal chemistry of the schorl-dravite series European Journal of Mineralogy 16 335-3442004Olkhon (Lake Baikal), Siberia0293
0007039DraviteBosi F, Lucchesi S (2004) Crystal chemistry of the schorl-dravite series European Journal of Mineralogy 16 335-3442004Olkhon (Lake Baikal), Siberia0293
0007040DraviteBosi F, Lucchesi S (2004) Crystal chemistry of the schorl-dravite series European Journal of Mineralogy 16 335-3442004Beresov Mine, Siberia0293
0007041DraviteBosi F, Lucchesi S (2004) Crystal chemistry of the schorl-dravite series European Journal of Mineralogy 16 335-3442004Beresov Mine, Siberia0293
0007042DraviteBosi F, Lucchesi S (2004) Crystal chemistry of the schorl-dravite series European Journal of Mineralogy 16 335-3442004Haddam, Connecticut, U.S.A.0293
0007043DraviteBosi F, Lucchesi S (2004) Crystal chemistry of the schorl-dravite series European Journal of Mineralogy 16 335-3442004Haddam, Connecticut, U.S.A.0293
0007044DraviteBosi F, Lucchesi S (2004) Crystal chemistry of the schorl-dravite series European Journal of Mineralogy 16 335-3442004Zillerthal, Tyrol, Austria0293
0007048DraviteBosi F, Lucchesi S (2004) Crystal chemistry of the schorl-dravite series European Journal of Mineralogy 16 335-3442004Arendal, Norway0293
0007053DraviteBosi F, Lucchesi S (2004) Crystal chemistry of the schorl-dravite series European Journal of Mineralogy 16 335-3442004Cruziero, Minas Gerais, Brazil0293
0007054DraviteBosi F, Lucchesi S (2004) Crystal chemistry of the schorl-dravite series European Journal of Mineralogy 16 335-3442004Lake Baikal, Siberia0293
0007055DraviteBosi F, Lucchesi S (2004) Crystal chemistry of the schorl-dravite series European Journal of Mineralogy 16 335-3442004Lake Baikal, Siberia0293
0007080DraviteMarschall H R, Ertl A, Hughes J M, McCammon C A (2004) Metamorphic Na- and OH-rich disordered dravite with tetrahedral boron, associated with omphacite, from Syros, Greece: chemistry and structure European Journal of Mineralogy 16 817-8232004Syros, Greece0293
0020154DraviteVereshchagin O S, Rozhdestvenskaya I V, Frank-Kamenetskaya O V, Zolotarev A A (2014) Ion substitutions and structural adjustment in Cr-bearing tourmalines European Journal of Mineralogy 26 309-3212014Shabrovskoe ore district, Middle Urals, Russia0293
0020155DraviteVereshchagin O S, Rozhdestvenskaya I V, Frank-Kamenetskaya O V, Zolotarev A A (2014) Ion substitutions and structural adjustment in Cr-bearing tourmalines European Journal of Mineralogy 26 309-3212014Shabrovskoe ore district, Middle Urals, Russia0293
0020156DraviteVereshchagin O S, Rozhdestvenskaya I V, Frank-Kamenetskaya O V, Zolotarev A A (2014) Ion substitutions and structural adjustment in Cr-bearing tourmalines European Journal of Mineralogy 26 309-3212014Shabrovskoe ore district, Middle Urals, Russia0293
0020157DraviteVereshchagin O S, Rozhdestvenskaya I V, Frank-Kamenetskaya O V, Zolotarev A A (2014) Ion substitutions and structural adjustment in Cr-bearing tourmalines European Journal of Mineralogy 26 309-3212014Umba Valley, Tanzania0293
0019011DraviteSchmetzer K, Nuber B, Abraham K (1979) Zur Kristallchemie Magnesium-reicher Turmaline Neues Jahrbuch fur Mineralogie, Abhandlungen 136 93-1121979Gerevi Hills, Tanzania0293
0018789DraviteGrice J D, Ercit T S (1993) Ordering of Fe and Mg in the tourmaline crystal structure: The correct formula Neues Jahrbuch fur Mineralogie, Abhandlungen 165 245-2661993Moctezuma, Sonora, Mexico0293
0018792DraviteGrice J D, Ercit T S (1993) Ordering of Fe and Mg in the tourmaline crystal structure: The correct formula Neues Jahrbuch fur Mineralogie, Abhandlungen 165 245-2661993Yinnietharra, Western Australia0293
0003949ElbaiteBosi F, Andreozzi G B, Federico M, Graziani G, Lucchesi S (2005) Crystal chemistry of the elbaite-schorl series American Mineralogist 90 1784-17922005Cruziero pegmatite, Minas Gerais, Brazil0293
0003950ElbaiteBosi F, Andreozzi G B, Federico M, Graziani G, Lucchesi S (2005) Crystal chemistry of the elbaite-schorl series American Mineralogist 90 1784-17922005Cruziero pegmatite, Minas Gerais, Brazil0293
0019363ElbaiteDiego Gatta G, Danisi R M, Adamo I, Meven M, Diella V (2012) A single-crystal neutron and X-ray diffraction study of elbaite Physics and Chemistry of Minerals 39 577-5882012pegmatite dikes near Sao Jose da Safira, Minas Gerais, Brazil0293
0019364ElbaiteDiego Gatta G, Danisi R M, Adamo I, Meven M, Diella V (2012) A single-crystal neutron and X-ray diffraction study of elbaite Physics and Chemistry of Minerals 39 577-5882012pegmatite dikes near Sao Jose da Safira, Minas Gerais, Brazil0293
0014789ElbaiteNuber B, Schmetzer K (1984) Structural refinement of tsilaisite (manganese tourmaline) Neues Jahrbuch fur Mineralogie, Monatshefte 1984 301-3041984Zambia0293
0005228FeruviteGrice J D, Robinson G W (1989) Feruvite, a new member of the tourmaline group, and its crystal structure The Canadian Mineralogist 27 199-2031989Cuvier Island, New Zealand0293
0020666FeruviteGadas P, Novak M, Cempirek J, Filip J, Galiova M V, Groat L A, Vsiansky D (2014) Mineral assemblages, compositional variation, and crystal structure of feruvitic tourmaline from a contaminated anatectic pegmatite at Mirosov near Strazek, Moldanubian zone, Czech Republic The Canadian Mineralogist 52 285-3012014Mirosov, Moldanubian zone, Czech Republic0293
0020667FeruviteGadas P, Novak M, Cempirek J, Filip J, Galiova M V, Groat L A, Vsiansky D (2014) Mineral assemblages, compositional variation, and crystal structure of feruvitic tourmaline from a contaminated anatectic pegmatite at Mirosov near Strazek, Moldanubian zone, Czech Republic The Canadian Mineralogist 52 285-3012014Mirosov, Moldanubian zone, Czech Republic0293
0018788FeruviteGrice J D, Ercit T S (1993) Ordering of Fe and Mg in the tourmaline crystal structure: The correct formula Neues Jahrbuch fur Mineralogie, Abhandlungen 165 245-2661993Cuvier Island, New Zealand0293
0001622FoititeMacDonald D J, Hawthorne F C, Grice J D (1993) Foitite, _[Fe2(Al,Fe)]Al6Si6O18(BO3)3(OH)4, a new alkali-deficient tourmaline: Description and crystal structure American Mineralogist 78 1299-13031993likely White Queen mine, San Diego County, California, USA0293
0005633FoititeFrancis C A, Dyar M D, Williams M L, Hughes J M (1999) The occurrence and crystal structure of foitite from a tungsten-bearing vein at Copper Mountain, Taos County, New Mexico The Canadian Mineralogist 37 1431-14381999Copper Mountain, Taos County, New Mexico0293
0006843FoititeKahlenberg V, Velickov B (2000) Structural investigations on a synthetic alkali-free hydrogen-deficient Fe-tourmaline (foitite) Locvality: synthetic European Journal of Mineralogy 12 947-95320000293
0003156OleniteErtl A, Hughes J M, Prowatke S, Rossman G R, London D, Fritz E A (2003) Mn-rich tourmaline from Austria: structure, chemistry, optical spectra, and relations to synthetic solid solutions Sample BT American Mineralogist 88 1369-13762003Eibenstein an der Thaya, Lower Austria0293
0003157OleniteErtl A, Hughes J M, Prowatke S, Rossman G R, London D, Fritz E A (2003) Mn-rich tourmaline from Austria: structure, chemistry, optical spectra, and relations to synthetic solid solutions Sample P6 American Mineralogist 88 1369-13762003Eibenstein an der Thaya, Lower Austria0293
0003445OleniteHughes J M, Ertl A, Dyar M D, Grew E S, Wieden-beck M, Brandstatter F (2004) Structural and chemical response to varying B content in zoned Fe-bearing olenite from Koralpe, Austria American Mineralogist 89 447-4542004Koralpe, Austria0293
0003446OleniteHughes J M, Ertl A, Dyar M D, Grew E S, Wieden-beck M, Brandstatter F (2004) Structural and chemical response to varying B content in zoned Fe-bearing olenite from Koralpe, Austria American Mineralogist 89 447-4542004Koralpe, Austria0293
0003447OleniteHughes J M, Ertl A, Dyar M D, Grew E S, Wieden-beck M, Brandstatter F (2004) Structural and chemical response to varying B content in zoned Fe-bearing olenite from Koralpe, Austria American Mineralogist 89 447-4542004Koralpe, Austria0293
0003448OleniteHughes J M, Ertl A, Dyar M D, Grew E S, Wieden-beck M, Brandstatter F (2004) Structural and chemical response to varying B content in zoned Fe-bearing olenite from Koralpe, Austria American Mineralogist 89 447-4542004Koralpe, Austria0293
0003449OleniteHughes J M, Ertl A, Dyar M D, Grew E S, Wieden-beck M, Brandstatter F (2004) Structural and chemical response to varying B content in zoned Fe-bearing olenite from Koralpe, Austria American Mineralogist 89 447-4542004Koralpe, Austria0293
0019525OleniteErtl A, Giester G, Ludwig T, Meyer H P, Rossman G R (2012) Synthetic B-rich olenite: Correlations of single-crystal structural data American Mineralogist 97 1591-15972012synthetic at 600 C0293
0019526OleniteErtl A, Giester G, Ludwig T, Meyer H P, Rossman G R (2012) Synthetic B-rich olenite: Correlations of single-crystal structural data American Mineralogist 97 1591-15972012synthetic at 500 C0293
0019527OleniteErtl A, Giester G, Ludwig T, Meyer H P, Rossman G R (2012) Synthetic B-rich olenite: Correlations of single-crystal structural data American Mineralogist 97 1591-15972012synthetic at 400 C0293
0005693OleniteHughes J M, Ertl A, Dyar M D, Grew E S, Shearer C K, Yates M G, Guidotti C V (2000) Tetrahedrally coordinated boron in a tourmaline: Boron-rich olenite from Stoffhutte, Koralpe, Austria The Canadian Mineralogist 38 861-8682000Stoffhutte, Koralpe, Austria0293
0005892OleniteErtl A, Hughes J M, Brandstatter F, Dyar M D, Prasad P S R (2003) Disordered Mg-bearing olenite from a granitic pegmatite at Goslarn, Austria: A chemical, structural, and infrared spectroscopic study The Canadian Mineralogist 41 1363-13702003Goslarn, Austria0293
0005893OleniteErtl A, Hughes J M, Brandstatter F, Dyar M D, Prasad P S R (2003) Disordered Mg-bearing olenite from a granitic pegmatite at Goslarn, Austria: A chemical, structural, and infrared spectroscopic study The Canadian Mineralogist 41 1363-13702003Goslarn, Austria0293
0005974OleniteErtl A, Pertlik F, Dyar M D, Prowatke S, Hughes J M, Ludwig T, Bernhardt H J (2004) Fe-rich olenite with tetrahedrally coordinated Fe3+ from Eibenstein, Austria: Structural, chemical, and Mossbauer data The Canadian Mineralogist 42 1057-10632004Eibenstein, Austria0293
0006068OleniteCempirek J, Novak M, Ertl A, Hughes J M, Rossman G R, Dyar D (2006) Fe-bearing olenite with tetrahedrally coordinated Al from an abyssal pegmatite at Kutna Hora, Czech Republic: structure, crystal chemistry, optical and xanes spectra The Canadian Mineralogist 44 23-602006Kutna Hora, Czech Republic0293
0006942OleniteMarler B, Borowski M, Wodara U, Schreyer W (2002) Synthetic tourmaline (olenite) with excess boron replacing silicon in the tetrahedral site: II. Structure analysis European Journal of Mineralogy 14 763-7712002synthetic0293
0006943OleniteMarler B, Borowski M, Wodara U, Schreyer W (2002) Synthetic tourmaline (olenite) with excess boron replacing silicon in the tetrahedral site: II. Structure analysis European Journal of Mineralogy 14 763-7712002synthetic0293
0006949OleniteSchreyer W, Hughes J M, Bernhardt H J, Kalt A, Prowatke S, Ertl A (2002) Reexamination of olenite from the type locality: detection of boron in tetrahedral coordination European Journal of Mineralogy 14 935-9422002Olenii Range, Kola Peninsula, Russia0293
0007045OleniteBosi F, Lucchesi S (2004) Crystal chemistry of the schorl-dravite series European Journal of Mineralogy 16 335-3442004Kwale, Mombasa, Kenya0293
0007046OleniteBosi F, Lucchesi S (2004) Crystal chemistry of the schorl-dravite series European Journal of Mineralogy 16 335-3442004Cooma, New South Wales, Australia0293
0007052OleniteBosi F, Lucchesi S (2004) Crystal chemistry of the schorl-dravite series European Journal of Mineralogy 16 335-3442004Cruziero, Minas Gerais, Brazil0293
0007078OleniteErtl A, Schuster R, Prowatke S, Brandstatter F, Ludwig T, Bernhardt H J, Koller F, Hughes J M (2004) Mn-rich tourmaline and fluorapatite in a Variscan pegmatite from Eibenstein an der Thaya, Bohemian massif, Lower Austria European Journal of Mineralogy 16 551-5602004Eibenstein an der Thaya, Bohemian massif, Lower Austria0293
0018673OleniteErtl A, Pertlik F, Bernhardt H J (1997) Investigations on olenite with exess boron from Koralpe, Styria, Austria Anzeiger der Osterreichische Akademie der Wissenschaften 134 3-101997Koralpe, Styria, Austria0293
0001555PovondraiteGrice J D, Ercit T S, Hawthorne F C (1993) Povondraite, a redefinition of the tourmaline ferridravite American Mineralogist 78 433-4361993San Francisco mine, Villa Tunari, Bolivia0293
0018783PovondraiteGrice J D, Ercit T S (1993) Ordering of Fe and Mg in the tourmaline crystal structure: The correct formula Neues Jahrbuch fur Mineralogie, Abhandlungen 165 245-2661993San Francisco mine, Villa Tu nari, Bolivia0293
0001229SchorlFoit F F (1989) Crystal chemistry of alkali-deficient schorl and tourmaline structural relationships American Mineralogist 74 422-4311989Jack Creek deposit, near Basin, Montana, USA0293
0002238SchorlBloodaxe E S, Hughes J M, Dyar M D, Grew E S, Guidotti C V (1999) Linking structure and chemistry in the schorl-dravite series Sample 108749 American Mineralogist 84 922-9281999Madagascar0293
0002241SchorlBloodaxe E S, Hughes J M, Dyar M D, Grew E S, Guidotti C V (1999) Linking structure and chemistry in the schorl-dravite series Sample HP2-1 American Mineralogist 84 922-9281999Harney Peak Granite, Custer County, South Dakota, USA0293
0002914SchorlCamara F, Ottolini L, Hawthorne F C (2000) Crystal chemistry of three tourmalines by SREF, EMPA and SIMS American Mineralogist 87 1437-14422000Alto Lighona pegmatite field, Zambezia, Mozambique0293
0003957SchorlBosi F, Andreozzi G B, Federico M, Graziani G, Lucchesi S (2005) Crystal chemistry of the elbaite-schorl series American Mineralogist 90 1784-17922005Cruziero pegmatite, Minas Gerais, Brazil0293
0003958SchorlBosi F, Andreozzi G B, Federico M, Graziani G, Lucchesi S (2005) Crystal chemistry of the elbaite-schorl series American Mineralogist 90 1784-17922005Cruziero pegmatite, Minas Gerais, Brazil0293
0003959SchorlBosi F, Andreozzi G B, Federico M, Graziani G, Lucchesi S (2005) Crystal chemistry of the elbaite-schorl series American Mineralogist 90 1784-17922005Cruziero pegmatite, Minas Gerais, Brazil0293
0005111SchorlFortier S, Donnay G (1975) Schorl refinement showing composition dependence of the tourmaline structure The Canadian Mineralogist 13 173-1771975Andreasberg, Harz, Lower Saxony, Germany0293
0007047SchorlBosi F, Lucchesi S (2004) Crystal chemistry of the schorl-dravite series European Journal of Mineralogy 16 335-3442004Bovey Tracy, Devonshire, England0293
0007050SchorlBosi F, Lucchesi S (2004) Crystal chemistry of the schorl-dravite series European Journal of Mineralogy 16 335-3442004Cruziero, Minas Gerais, Brazil0293
0007051SchorlBosi F, Lucchesi S (2004) Crystal chemistry of the schorl-dravite series European Journal of Mineralogy 16 335-3442004Cruziero, Minas Gerais, Brazil0293
0007056SchorlBosi F, Lucchesi S (2004) Crystal chemistry of the schorl-dravite series European Journal of Mineralogy 16 335-3442004Lake Baikal, Siberia0293
0018784SchorlGrice J D, Ercit T S (1993) Ordering of Fe and Mg in the tourmaline crystal structure: The correct formula Neues Jahrbuch fur Mineralogie, Abhandlungen 165 245-2661993Silver Crater, Hastings Co., Ontario, Canada0293
0018786SchorlGrice J D, Ercit T S (1993) Ordering of Fe and Mg in the tourmaline crystal structure: The correct formula Neues Jahrbuch fur Mineralogie, Abhandlungen 165 245-2661993Cross Lake, Manitoba, Canada0293
0002029RossmaniteSelway J B, Novak M, Hawthorne F C, Cerny P, Ottolini L, Kyser T K (1998) Rossmanite, _(LiAl2)Al6(Si6O18)(BO3)3(OH)4, a new alkali-deficient tourmaline: Description and crystal structure American Mineralogist 83 896-9001998Rozna, Moravia, Czech Republic0293
0003738RossmaniteErtl A, Rossman G R, Hughes J M, Prowatke S, Ludwig T (2005) Mn-bearing "oxy-rossmanite" with tetrahedrally-coordinated Al and B from Austria: Structure, chemistry, and infrared and optical spectroscopic study Reported formula: (Na.46 Ca.01) (Al2.37 Li.33 Mn2+.25 Fe2+.04 Ti4+.01) Al6 (Si5.47 Al.28 B.25) O18 (BO3)3 [(OH)2.85 O.15] [O.86 (OH).10 F.04] Tourmaline American Mineralogist 90 481-4872005Eibenstein an der Thaya, Lower Austria0293
0003739RossmaniteErtl A, Rossman G R, Hughes J M, Prowatke S, Ludwig T (2005) Mn-bearing "oxy-rossmanite" with tetrahedrally-coordinated Al and B from Austria: Structure, chemistry, and infrared and optical spectroscopic study Reported formula: (Na.46 Ca.01) (Al2.35 Li.32 Mn2+.28 Fe2+.04 Ti4+.01) Al6 (Si5.51 Al.25 B.24) O18 (BO3)3 [(OH)2.80 O.20] [O.86 (OH).10 F.04] Tourmaline American Mineralogist 90 481-4872005Eibenstein an der Thaya, Lower Austria0293
0018865TsilaisiteBosi F, Skogby H, Agrosi G, Scandale E (2012) Tsilaisite, NaMn3Al6(Si6O18)(BO3)3(OH)3OH, a new mineral species of the tourmaline supergroup from Grotta d'Oggi, San Pietro in Campo, island of Elba, Italy American Mineralogist 97 989-9942012Grotta d'Oggi, San Pietro in Campo, island of Elba, Italy0293
0018866TsilaisiteBosi F, Skogby H, Agrosi G, Scandale E (2012) Tsilaisite, NaMn3Al6(Si6O18)(BO3)3(OH)3OH, a new mineral species of the tourmaline supergroup from Grotta d'Oggi, San Pietro in Campo, island of Elba, Italy American Mineralogist 97 989-9942012Grotta d'Oggi, San Pietro in Campo, island of Elba, Italy0293
0019820Oxy-vanadium-draviteBosi F, Reznitskii L, Sklyarov E V (2013) Oxy-vanadium-dravite, NaV3(V4Mg2)(Si6O18)(BO3)3(OH)3O: Crystal structure and redefinition of the "vanadium-dravite" tourmaline American Mineralogist 98 501-5052013Sludyanka complex, southern Baikal region, Russia0293
0002240Oxy-draviteBloodaxe E S, Hughes J M, Dyar M D, Grew E S, Guidotti C V (1999) Linking structure and chemistry in the schorl-dravite series Sample LCW2356 American Mineralogist 84 922-9281999Dunton mine, Newry, Oxford County, Maine, USA0293
0002245Oxy-draviteBloodaxe E S, Hughes J M, Dyar M D, Grew E S, Guidotti C V (1999) Linking structure and chemistry in the schorl-dravite series Sample Ru-T18-92 American Mineralogist 84 922-9281999Rumford, Oxford County, Maine, USA0293
0020259Oxy-draviteBosi F, Skogby H (2013) Oxy-dravite, Na(Al2Mg)(Al5Mg)(Si6O18)(BO3)3(OH)3O, a new mineral species of the tourmaline supergroup American Mineralogist 98 1442-14482013Osarara, Narok district, Kenya0293
0020483Oxy-draviteGatta G D, Bosi F, McIntyre G J, Skogby H (2014) First accurate location of two proton sites in tourmaline: A single-crystal neutron diffraction study of oxy-dravite Mineralogical Magazine 78 681-6922014Osarara, Narok District, Kenya0293
0020484Oxy-draviteGatta G D, Bosi F, McIntyre G J, Skogby H (2014) First accurate location of two proton sites in tourmaline: A single-crystal neutron diffraction study of oxy-dravite Mineralogical Magazine 78 681-6922014Osarara, Narok District, Kenya0293
0002239Fluor-schorlBloodaxe E S, Hughes J M, Dyar M D, Grew E S, Guidotti C V (1999) Linking structure and chemistry in the schorl-dravite series Sample DLux1 American Mineralogist 84 922-9281999Sebago Granite, North Windham, Oxford County, Maine, USA0293
0002243Fluor-schorlBloodaxe E S, Hughes J M, Dyar M D, Grew E S, Guidotti C V (1999) Linking structure and chemistry in the schorl-dravite series Sample SmFalls American Mineralogist 84 922-9281999Small Falls pegmatite, Rumford, Oxford County, Maine, USA0293
0007165Fluor-schorlErtl A, Kolitsch U, Prowatke S, Dyar M D, Henry D J (2006) The F-analogue of schorl from Grasstein, Trentino - South Tyrol, Italy: crystal structure and chemistry European Journal of Mineralogy 18 583-5882006pegmatite at Grasstein, Trentino-South Tyrol, Italy0293
0007165Fluor-schorlErtl A, Kolitsch U, Prowatke S, Dyar M D, Henry D J (2006) The F-analogue of schorl from Grasstein, Trentino - South Tyrol, Italy: crystal structure and chemistry European Journal of Mineralogy 18 583-5882006pegmatite at Grasstein, Trentino-South Tyrol, Italy0293
0003941Fluor-elbaiteBosi F, Agrosi G, Lucchesi S, Melchiorre G, Scandale E (2005) Mn-tourmaline from island of Elba (Italy): Crystal chemistry. American Mineralogist 90 1661-16682005Elba, Italy0293
0003942Fluor-elbaiteBosi F, Agrosi G, Lucchesi S, Melchiorre G, Scandale E (2005) Mn-tourmaline from island of Elba (Italy): Crystal chemistry. American Mineralogist 90 1661-16682005Elba, Italy0293
0003943Fluor-elbaiteBosi F, Agrosi G, Lucchesi S, Melchiorre G, Scandale E (2005) Mn-tourmaline from island of Elba (Italy): Crystal chemistry. American Mineralogist 90 1661-16682005Elba, Italy0293
0003944Fluor-elbaiteBosi F, Agrosi G, Lucchesi S, Melchiorre G, Scandale E (2005) Mn-tourmaline from island of Elba (Italy): Crystal chemistry. American Mineralogist 90 1661-16682005Elba, Italy0293
0003945Fluor-elbaiteBosi F, Agrosi G, Lucchesi S, Melchiorre G, Scandale E (2005) Mn-tourmaline from island of Elba (Italy): Crystal chemistry. American Mineralogist 90 1661-16682005Elba, Italy0293
0003946Fluor-elbaiteBosi F, Agrosi G, Lucchesi S, Melchiorre G, Scandale E (2005) Mn-tourmaline from island of Elba (Italy): Crystal chemistry. American Mineralogist 90 1661-16682005Elba, Italy0293
0003947Fluor-elbaiteBosi F, Agrosi G, Lucchesi S, Melchiorre G, Scandale E (2005) Mn-tourmaline from island of Elba (Italy): Crystal chemistry. American Mineralogist 90 1661-16682005Elba, Italy0293
0003951Fluor-elbaiteBosi F, Andreozzi G B, Federico M, Graziani G, Lucchesi S (2005) Crystal chemistry of the elbaite-schorl series American Mineralogist 90 1784-17922005Cruziero pegmatite, Minas Gerais, Brazil0293
0003952Fluor-elbaiteBosi F, Andreozzi G B, Federico M, Graziani G, Lucchesi S (2005) Crystal chemistry of the elbaite-schorl series American Mineralogist 90 1784-17922005Cruziero pegmatite, Minas Gerais, Brazil0293
0003953Fluor-elbaiteBosi F, Andreozzi G B, Federico M, Graziani G, Lucchesi S (2005) Crystal chemistry of the elbaite-schorl series American Mineralogist 90 1784-17922005Cruziero pegmatite, Minas Gerais, Brazil0293
0003954Fluor-elbaiteBosi F, Andreozzi G B, Federico M, Graziani G, Lucchesi S (2005) Crystal chemistry of the elbaite-schorl series American Mineralogist 90 1784-17922005Cruziero pegmatite, Minas Gerais, Brazil0293
0003955Fluor-elbaiteBosi F, Andreozzi G B, Federico M, Graziani G, Lucchesi S (2005) Crystal chemistry of the elbaite-schorl series American Mineralogist 90 1784-17922005Cruziero pegmatite, Minas Gerais, Brazil0293
0003956Fluor-elbaiteBosi F, Andreozzi G B, Federico M, Graziani G, Lucchesi S (2005) Crystal chemistry of the elbaite-schorl series American Mineralogist 90 1784-17922005Cruziero pegmatite, Minas Gerais, Brazil0293
0019775Fluor-elbaiteBosi F, Andreozzi G B, Skogby H, Lussier A J, Abdu Y, Hawthorne F C (2013) Fluor-elbaite, Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3F, a new mineral species of the tourmaline supergroup American Mineralogist 98 297-3032013Urubu mine, Minas Gerais, Brazil0293
0019776Fluor-elbaiteBosi F, Andreozzi G B, Skogby H, Lussier A J, Abdu Y, Hawthorne F C (2013) Fluor-elbaite, Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3F, a new mineral species of the tourmaline supergroup American Mineralogist 98 297-3032013Urubu mine, Minas Gerais, Brazil0293
0019777Fluor-elbaiteBosi F, Andreozzi G B, Skogby H, Lussier A J, Abdu Y, Hawthorne F C (2013) Fluor-elbaite, Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3F, a new mineral species of the tourmaline supergroup American Mineralogist 98 297-3032013Cruzeiro mine, Minas Gerais, Brazil0293
0019778Fluor-elbaiteBosi F, Andreozzi G B, Skogby H, Lussier A J, Abdu Y, Hawthorne F C (2013) Fluor-elbaite, Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3F, a new mineral species of the tourmaline supergroup American Mineralogist 98 297-3032013Cruzeiro mine, Minas Gerais, Brazil0293
0005345Fluor-elbaiteBurns P C, MacDonald D J, Hawthorne F C (1994) The crystal chemistry of manganese-bearing elbaite The Canadian Mineralogist 32 31-411994Nepal0293
0005346Fluor-elbaiteBurns P C, MacDonald D J, Hawthorne F C (1994) The crystal chemistry of manganese-bearing elbaite The Canadian Mineralogist 32 31-411994Nepal0293
0005347Fluor-elbaiteBurns P C, MacDonald D J, Hawthorne F C (1994) The crystal chemistry of manganese-bearing elbaite The Canadian Mineralogist 32 31-411994Nepal0293
0005348Fluor-elbaiteBurns P C, MacDonald D J, Hawthorne F C (1994) The crystal chemistry of manganese-bearing elbaite The Canadian Mineralogist 32 31-411994Nepal0293
0005349Fluor-elbaiteBurns P C, MacDonald D J, Hawthorne F C (1994) The crystal chemistry of manganese-bearing elbaite The Canadian Mineralogist 32 31-411994Zambia0293
0005350Fluor-elbaiteBurns P C, MacDonald D J, Hawthorne F C (1994) The crystal chemistry of manganese-bearing elbaite The Canadian Mineralogist 32 31-411994Zambia0293
0005351Fluor-elbaiteBurns P C, MacDonald D J, Hawthorne F C (1994) The crystal chemistry of manganese-bearing elbaite The Canadian Mineralogist 32 31-411994Zambia0293
0005352Fluor-elbaiteBurns P C, MacDonald D J, Hawthorne F C (1994) The crystal chemistry of manganese-bearing elbaite The Canadian Mineralogist 32 31-411994Zambia0293
0005353Fluor-elbaiteBurns P C, MacDonald D J, Hawthorne F C (1994) The crystal chemistry of manganese-bearing elbaite The Canadian Mineralogist 32 31-411994Zambia0293
0005354Fluor-elbaiteBurns P C, MacDonald D J, Hawthorne F C (1994) The crystal chemistry of manganese-bearing elbaite The Canadian Mineralogist 32 31-411994Zambia0293
0005355Fluor-elbaiteBurns P C, MacDonald D J, Hawthorne F C (1994) The crystal chemistry of manganese-bearing elbaite The Canadian Mineralogist 32 31-411994Zambia0293
0005356Fluor-elbaiteBurns P C, MacDonald D J, Hawthorne F C (1994) The crystal chemistry of manganese-bearing elbaite The Canadian Mineralogist 32 31-411994Zambia0293
0005357Fluor-elbaiteBurns P C, MacDonald D J, Hawthorne F C (1994) The crystal chemistry of manganese-bearing elbaite The Canadian Mineralogist 32 31-411994Zambia0293
0005358Fluor-elbaiteBurns P C, MacDonald D J, Hawthorne F C (1994) The crystal chemistry of manganese-bearing elbaite The Canadian Mineralogist 32 31-411994Zambia0293
0005359Fluor-elbaiteBurns P C, MacDonald D J, Hawthorne F C (1994) The crystal chemistry of manganese-bearing elbaite The Canadian Mineralogist 32 31-411994San Diego mine0293
0005360Fluor-elbaiteBurns P C, MacDonald D J, Hawthorne F C (1994) The crystal chemistry of manganese-bearing elbaite The Canadian Mineralogist 32 31-411994San Diego mine0293
0018794Fluor-elbaiteGrice J D, Ercit T S (1993) Ordering of Fe and Mg in the tourmaline crystal structure: The correct formula Neues Jahrbuch fur Mineralogie, Abhandlungen 165 245-2661993Minas Gerais, Brazil0293
0020261Chromo-alumino-povondraiteBosi F, Skogby H, Halenius U, Reznitskii L (2013) Crystallographic and spectroscopic characterization of Fe-bearing chromo-alumino-povondraite and its relations with oxy-chromium-dravite and oxy-dravite American Mineralogist 98 1557-15642013Sludyanka crystalline complex, Lake Baikal, Russia0293
0020335Chromo-alumino-povondraiteReznitskii L, Clark C M, Hawthorne F C, Grice J D, Skogby H, Halenius U, Bosi F (2014) Chromo-alumino-povondraite, NaCr3(Al4Mg2)(Si6O18)(BO3)3(OH)3O, a new mineral species of the tourmaline supergroup American Mineralogist 99 1767-17732014Sludyanka, Lake Baikal, Russia0293
0002246Fluor-draviteBloodaxe E S, Hughes J M, Dyar M D, Grew E S, Guidotti C V (1999) Linking structure and chemistry in the schorl-dravite series Sample #32008 American Mineralogist 84 922-9281999Tait farm, Dungannon Township, Hastings County, Ontario, Canada0293
0002915Fluor-draviteCamara F, Ottolini L, Hawthorne F C (2000) Crystal chemistry of three tourmalines by SREF, EMPA and SIMS American Mineralogist 87 1437-14422000a pegmatite at Minas Gerais, Brazil0293
0018741Fluor-draviteClark C M, Hawthorne F C, Ottolini L (2011) Fluor-dravite, NaMg3Al6Si6O18(BO3)3(OH)3F, a new mineral species of the tourmaline group from the Crabtree Emerald mine, Mitchell County, North Carolina: Description and crystal structure The Canadian Mineralogist 49 57-622011the Crabtree Emerald mine, Mitchell County, North Carolina, USA0293
0007049Fluor-draviteBosi F, Lucchesi S (2004) Crystal chemistry of the schorl-dravite series European Journal of Mineralogy 16 335-3442004Olkhon (Lake Baikal), Siberia0293
0018790Fluor-draviteGrice J D, Ercit T S (1993) Ordering of Fe and Mg in the tourmaline crystal structure: The correct formula Neues Jahrbuch fur Mineralogie, Abhandlungen 165 245-2661993Bronson Station, Hastings Co., Ontario, Canada0293
0018791Fluor-draviteGrice J D, Ercit T S (1993) Ordering of Fe and Mg in the tourmaline crystal structure: The correct formula Neues Jahrbuch fur Mineralogie, Abhandlungen 165 245-2661993Pierrepont, St, Lawrence Co., New York, USA0293
0002242Oxy-schorlBloodaxe E S, Hughes J M, Dyar M D, Grew E S, Guidotti C V (1999) Linking structure and chemistry in the schorl-dravite series Sample O-T16-92 American Mineralogist 84 922-9281999Bald Mountain, Rangeley, Oxford County, Maine0293
0002244Oxy-schorlBloodaxe E S, Hughes J M, Dyar M D, Grew E S, Guidotti C V (1999) Linking structure and chemistry in the schorl-dravite series Sample Ru-T17-92 American Mineralogist 84 922-9281999Noisy Brook gneiss, Roxbury, Oxford County, Maine, USA0293
0003960Oxy-schorlBosi F, Andreozzi G B, Federico M, Graziani G, Lucchesi S (2005) Crystal chemistry of the elbaite-schorl series American Mineralogist 90 1784-17922005Cruziero pegmatite, Minas Gerais, Brazil0293
0003961Oxy-schorlBosi F, Andreozzi G B, Federico M, Graziani G, Lucchesi S (2005) Crystal chemistry of the elbaite-schorl series American Mineralogist 90 1784-17922005Cruziero pegmatite, Minas Gerais, Brazil0293
0018406Fluor-liddicoatiteLussier A J, Abdu Y, Hawthorne F C, Michaelis V K, Aguiar P M, Kroeker S (2011) Oscillatory zoned liddicoatite from Anjanabonoina, central Madigascar. I. Crystal chemistry and structure by SREF and 11B and 27Al MAS NMR spectroscopy The Canadian Mineralogist 49 63-882011Anjanabonoina, central Madagascar0293
0018407Fluor-liddicoatiteLussier A J, Abdu Y, Hawthorne F C, Michaelis V K, Aguiar P M, Kroeker S (2011) Oscillatory zoned liddicoatite from Anjanabonoina, central Madigascar. I. Crystal chemistry and structure by SREF and 11B and 27Al MAS NMR spectroscopy The Canadian Mineralogist 49 63-882011Anjanabonoina, central Madagascar0293
0018408Fluor-liddicoatiteLussier A J, Abdu Y, Hawthorne F C, Michaelis V K, Aguiar P M, Kroeker S (2011) Oscillatory zoned liddicoatite from Anjanabonoina, central Madigascar. I. Crystal chemistry and structure by SREF and 11B and 27Al MAS NMR spectroscopy The Canadian Mineralogist 49 63-882011Anjanabonoina, central Madagascar0293
0018409Fluor-liddicoatiteLussier A J, Abdu Y, Hawthorne F C, Michaelis V K, Aguiar P M, Kroeker S (2011) Oscillatory zoned liddicoatite from Anjanabonoina, central Madigascar. I. Crystal chemistry and structure by SREF and 11B and 27Al MAS NMR spectroscopy The Canadian Mineralogist 49 63-882011Anjanabonoina, central Madagascar0293
0018410Fluor-liddicoatiteLussier A J, Abdu Y, Hawthorne F C, Michaelis V K, Aguiar P M, Kroeker S (2011) Oscillatory zoned liddicoatite from Anjanabonoina, central Madigascar. I. Crystal chemistry and structure by SREF and 11B and 27Al MAS NMR spectroscopy The Canadian Mineralogist 49 63-882011Anjanabonoina, central Madagascar0293
0018411Fluor-liddicoatiteLussier A J, Abdu Y, Hawthorne F C, Michaelis V K, Aguiar P M, Kroeker S (2011) Oscillatory zoned liddicoatite from Anjanabonoina, central Madigascar. I. Crystal chemistry and structure by SREF and 11B and 27Al MAS NMR spectroscopy The Canadian Mineralogist 49 63-882011Anjanabonoina, central Madagascar0293
0018412Fluor-liddicoatiteLussier A J, Abdu Y, Hawthorne F C, Michaelis V K, Aguiar P M, Kroeker S (2011) Oscillatory zoned liddicoatite from Anjanabonoina, central Madigascar. I. Crystal chemistry and structure by SREF and 11B and 27Al MAS NMR spectroscopy The Canadian Mineralogist 49 63-882011Anjanabonoina, central Madagascar0293
0018413Fluor-liddicoatiteLussier A J, Abdu Y, Hawthorne F C, Michaelis V K, Aguiar P M, Kroeker S (2011) Oscillatory zoned liddicoatite from Anjanabonoina, central Madigascar. I. Crystal chemistry and structure by SREF and 11B and 27Al MAS NMR spectroscopy The Canadian Mineralogist 49 63-882011Anjanabonoina, central Madagascar0293
0018414Fluor-liddicoatiteLussier A J, Abdu Y, Hawthorne F C, Michaelis V K, Aguiar P M, Kroeker S (2011) Oscillatory zoned liddicoatite from Anjanabonoina, central Madigascar. I. Crystal chemistry and structure by SREF and 11B and 27Al MAS NMR spectroscopy The Canadian Mineralogist 49 63-882011Anjanabonoina, central Madagascar0293
0018415Fluor-liddicoatiteLussier A J, Abdu Y, Hawthorne F C, Michaelis V K, Aguiar P M, Kroeker S (2011) Oscillatory zoned liddicoatite from Anjanabonoina, central Madigascar. I. Crystal chemistry and structure by SREF and 11B and 27Al MAS NMR spectroscopy The Canadian Mineralogist 49 63-882011Anjanabonoina, central Madagascar0293
0018416Fluor-liddicoatiteLussier A J, Abdu Y, Hawthorne F C, Michaelis V K, Aguiar P M, Kroeker S (2011) Oscillatory zoned liddicoatite from Anjanabonoina, central Madigascar. I. Crystal chemistry and structure by SREF and 11B and 27Al MAS NMR spectroscopy The Canadian Mineralogist 49 63-882011Anjanabonoina, central Madagascar0293
0018417Fluor-liddicoatiteLussier A J, Abdu Y, Hawthorne F C, Michaelis V K, Aguiar P M, Kroeker S (2011) Oscillatory zoned liddicoatite from Anjanabonoina, central Madigascar. I. Crystal chemistry and structure by SREF and 11B and 27Al MAS NMR spectroscopy The Canadian Mineralogist 49 63-882011Anjanabonoina, central Madagascar0293
0018418Fluor-liddicoatiteLussier A J, Abdu Y, Hawthorne F C, Michaelis V K, Aguiar P M, Kroeker S (2011) Oscillatory zoned liddicoatite from Anjanabonoina, central Madigascar. I. Crystal chemistry and structure by SREF and 11B and 27Al MAS NMR spectroscopy The Canadian Mineralogist 49 63-882011Anjanabonoina, central Madagascar0293
0018419Fluor-liddicoatiteLussier A J, Abdu Y, Hawthorne F C, Michaelis V K, Aguiar P M, Kroeker S (2011) Oscillatory zoned liddicoatite from Anjanabonoina, central Madigascar. I. Crystal chemistry and structure by SREF and 11B and 27Al MAS NMR spectroscopy The Canadian Mineralogist 49 63-882011Anjanabonoina, central Madagascar0293
0018420Fluor-liddicoatiteLussier A J, Abdu Y, Hawthorne F C, Michaelis V K, Aguiar P M, Kroeker S (2011) Oscillatory zoned liddicoatite from Anjanabonoina, central Madigascar. I. Crystal chemistry and structure by SREF and 11B and 27Al MAS NMR spectroscopy The Canadian Mineralogist 49 63-882011Anjanabonoina, central Madagascar0293
0018421Fluor-liddicoatiteLussier A J, Abdu Y, Hawthorne F C, Michaelis V K, Aguiar P M, Kroeker S (2011) Oscillatory zoned liddicoatite from Anjanabonoina, central Madigascar. I. Crystal chemistry and structure by SREF and 11B and 27Al MAS NMR spectroscopy The Canadian Mineralogist 49 63-882011Anjanabonoina, central Madagascar0293
0018422Fluor-liddicoatiteLussier A J, Abdu Y, Hawthorne F C, Michaelis V K, Aguiar P M, Kroeker S (2011) Oscillatory zoned liddicoatite from Anjanabonoina, central Madigascar. I. Crystal chemistry and structure by SREF and 11B and 27Al MAS NMR spectroscopy The Canadian Mineralogist 49 63-882011Anjanabonoina, central Madagascar0293
0018423Fluor-liddicoatiteLussier A J, Abdu Y, Hawthorne F C, Michaelis V K, Aguiar P M, Kroeker S (2011) Oscillatory zoned liddicoatite from Anjanabonoina, central Madigascar. I. Crystal chemistry and structure by SREF and 11B and 27Al MAS NMR spectroscopy The Canadian Mineralogist 49 63-882011Anjanabonoina, central Madagascar0293
0018424Fluor-liddicoatiteLussier A J, Abdu Y, Hawthorne F C, Michaelis V K, Aguiar P M, Kroeker S (2011) Oscillatory zoned liddicoatite from Anjanabonoina, central Madigascar. I. Crystal chemistry and structure by SREF and 11B and 27Al MAS NMR spectroscopy The Canadian Mineralogist 49 63-882011Anjanabonoina, central Madagascar0293
0018425Fluor-liddicoatiteLussier A J, Abdu Y, Hawthorne F C, Michaelis V K, Aguiar P M, Kroeker S (2011) Oscillatory zoned liddicoatite from Anjanabonoina, central Madigascar. I. Crystal chemistry and structure by SREF and 11B and 27Al MAS NMR spectroscopy The Canadian Mineralogist 49 63-882011Anjanabonoina, central Madagascar0293
0018426Fluor-liddicoatiteLussier A J, Abdu Y, Hawthorne F C, Michaelis V K, Aguiar P M, Kroeker S (2011) Oscillatory zoned liddicoatite from Anjanabonoina, central Madigascar. I. Crystal chemistry and structure by SREF and 11B and 27Al MAS NMR spectroscopy The Canadian Mineralogist 49 63-882011Anjanabonoina, central Madagascar0293
0018427Fluor-liddicoatiteLussier A J, Abdu Y, Hawthorne F C, Michaelis V K, Aguiar P M, Kroeker S (2011) Oscillatory zoned liddicoatite from Anjanabonoina, central Madigascar. I. Crystal chemistry and structure by SREF and 11B and 27Al MAS NMR spectroscopy The Canadian Mineralogist 49 63-882011Anjanabonoina, central Madagascar0293
0018428Fluor-liddicoatiteLussier A J, Abdu Y, Hawthorne F C, Michaelis V K, Aguiar P M, Kroeker S (2011) Oscillatory zoned liddicoatite from Anjanabonoina, central Madigascar. I. Crystal chemistry and structure by SREF and 11B and 27Al MAS NMR spectroscopy The Canadian Mineralogist 49 63-882011Anjanabonoina, central Madagascar0293
0018429Fluor-liddicoatiteLussier A J, Abdu Y, Hawthorne F C, Michaelis V K, Aguiar P M, Kroeker S (2011) Oscillatory zoned liddicoatite from Anjanabonoina, central Madigascar. I. Crystal chemistry and structure by SREF and 11B and 27Al MAS NMR spectroscopy The Canadian Mineralogist 49 63-882011Anjanabonoina, central Madagascar0293
0018430Fluor-liddicoatiteLussier A J, Abdu Y, Hawthorne F C, Michaelis V K, Aguiar P M, Kroeker S (2011) Oscillatory zoned liddicoatite from Anjanabonoina, central Madigascar. I. Crystal chemistry and structure by SREF and 11B and 27Al MAS NMR spectroscopy The Canadian Mineralogist 49 63-882011Anjanabonoina, central Madagascar0293
0018431Fluor-liddicoatiteLussier A J, Abdu Y, Hawthorne F C, Michaelis V K, Aguiar P M, Kroeker S (2011) Oscillatory zoned liddicoatite from Anjanabonoina, central Madigascar. I. Crystal chemistry and structure by SREF and 11B and 27Al MAS NMR spectroscopy The Canadian Mineralogist 49 63-882011Anjanabonoina, central Madagascar0293
0018432Fluor-liddicoatiteLussier A J, Abdu Y, Hawthorne F C, Michaelis V K, Aguiar P M, Kroeker S (2011) Oscillatory zoned liddicoatite from Anjanabonoina, central Madigascar. I. Crystal chemistry and structure by SREF and 11B and 27Al MAS NMR spectroscopy The Canadian Mineralogist 49 63-882011Anjanabonoina, central Madagascar0293
0018433Fluor-liddicoatiteLussier A J, Abdu Y, Hawthorne F C, Michaelis V K, Aguiar P M, Kroeker S (2011) Oscillatory zoned liddicoatite from Anjanabonoina, central Madigascar. I. Crystal chemistry and structure by SREF and 11B and 27Al MAS NMR spectroscopy The Canadian Mineralogist 49 63-882011Anjanabonoina, central Madagascar0293
0018434Fluor-liddicoatiteLussier A J, Abdu Y, Hawthorne F C, Michaelis V K, Aguiar P M, Kroeker S (2011) Oscillatory zoned liddicoatite from Anjanabonoina, central Madigascar. I. Crystal chemistry and structure by SREF and 11B and 27Al MAS NMR spectroscopy The Canadian Mineralogist 49 63-882011Anjanabonoina, central Madagascar0293
0018435Fluor-liddicoatiteLussier A J, Abdu Y, Hawthorne F C, Michaelis V K, Aguiar P M, Kroeker S (2011) Oscillatory zoned liddicoatite from Anjanabonoina, central Madigascar. I. Crystal chemistry and structure by SREF and 11B and 27Al MAS NMR spectroscopy The Canadian Mineralogist 49 63-882011Anjanabonoina, central Madagascar0293
0018436Fluor-liddicoatiteLussier A J, Abdu Y, Hawthorne F C, Michaelis V K, Aguiar P M, Kroeker S (2011) Oscillatory zoned liddicoatite from Anjanabonoina, central Madigascar. I. Crystal chemistry and structure by SREF and 11B and 27Al MAS NMR spectroscopy The Canadian Mineralogist 49 63-882011Anjanabonoina, central Madagascar0293
0018437Fluor-liddicoatiteLussier A J, Abdu Y, Hawthorne F C, Michaelis V K, Aguiar P M, Kroeker S (2011) Oscillatory zoned liddicoatite from Anjanabonoina, central Madigascar. I. Crystal chemistry and structure by SREF and 11B and 27Al MAS NMR spectroscopy The Canadian Mineralogist 49 63-882011Anjanabonoina, central Madagascar0293
0018438Fluor-liddicoatiteLussier A J, Abdu Y, Hawthorne F C, Michaelis V K, Aguiar P M, Kroeker S (2011) Oscillatory zoned liddicoatite from Anjanabonoina, central Madigascar. I. Crystal chemistry and structure by SREF and 11B and 27Al MAS NMR spectroscopy The Canadian Mineralogist 49 63-882011Anjanabonoina, central Madagascar0293
0018439Fluor-liddicoatiteLussier A J, Abdu Y, Hawthorne F C, Michaelis V K, Aguiar P M, Kroeker S (2011) Oscillatory zoned liddicoatite from Anjanabonoina, central Madigascar. I. Crystal chemistry and structure by SREF and 11B and 27Al MAS NMR spectroscopy The Canadian Mineralogist 49 63-882011Anjanabonoina, central Madagascar0293
0018440Fluor-liddicoatiteLussier A J, Abdu Y, Hawthorne F C, Michaelis V K, Aguiar P M, Kroeker S (2011) Oscillatory zoned liddicoatite from Anjanabonoina, central Madigascar. I. Crystal chemistry and structure by SREF and 11B and 27Al MAS NMR spectroscopy The Canadian Mineralogist 49 63-882011Anjanabonoina, central Madagascar0293
0018441Fluor-liddicoatiteLussier A J, Abdu Y, Hawthorne F C, Michaelis V K, Aguiar P M, Kroeker S (2011) Oscillatory zoned liddicoatite from Anjanabonoina, central Madigascar. I. Crystal chemistry and structure by SREF and 11B and 27Al MAS NMR spectroscopy The Canadian Mineralogist 49 63-882011Anjanabonoina, central Madagascar0293
0018442Fluor-liddicoatiteLussier A J, Abdu Y, Hawthorne F C, Michaelis V K, Aguiar P M, Kroeker S (2011) Oscillatory zoned liddicoatite from Anjanabonoina, central Madigascar. I. Crystal chemistry and structure by SREF and 11B and 27Al MAS NMR spectroscopy The Canadian Mineralogist 49 63-882011Anjanabonoina, central Madagascar0293
0018443Fluor-liddicoatiteLussier A J, Abdu Y, Hawthorne F C, Michaelis V K, Aguiar P M, Kroeker S (2011) Oscillatory zoned liddicoatite from Anjanabonoina, central Madigascar. I. Crystal chemistry and structure by SREF and 11B and 27Al MAS NMR spectroscopy The Canadian Mineralogist 49 63-882011Anjanabonoina, central Madagascar0293
0018444Fluor-liddicoatiteLussier A J, Abdu Y, Hawthorne F C, Michaelis V K, Aguiar P M, Kroeker S (2011) Oscillatory zoned liddicoatite from Anjanabonoina, central Madigascar. I. Crystal chemistry and structure by SREF and 11B and 27Al MAS NMR spectroscopy The Canadian Mineralogist 49 63-882011Anjanabonoina, central Madagascar0293
0018445Fluor-liddicoatiteLussier A J, Abdu Y, Hawthorne F C, Michaelis V K, Aguiar P M, Kroeker S (2011) Oscillatory zoned liddicoatite from Anjanabonoina, central Madigascar. I. Crystal chemistry and structure by SREF and 11B and 27Al MAS NMR spectroscopy The Canadian Mineralogist 49 63-882011Anjanabonoina, central Madagascar0293
0018446Fluor-liddicoatiteLussier A J, Abdu Y, Hawthorne F C, Michaelis V K, Aguiar P M, Kroeker S (2011) Oscillatory zoned liddicoatite from Anjanabonoina, central Madigascar. I. Crystal chemistry and structure by SREF and 11B and 27Al MAS NMR spectroscopy The Canadian Mineralogist 49 63-882011Anjanabonoina, central Madagascar0293
0018447Fluor-liddicoatiteLussier A J, Abdu Y, Hawthorne F C, Michaelis V K, Aguiar P M, Kroeker S (2011) Oscillatory zoned liddicoatite from Anjanabonoina, central Madigascar. I. Crystal chemistry and structure by SREF and 11B and 27Al MAS NMR spectroscopy The Canadian Mineralogist 49 63-882011Anjanabonoina, central Madagascar0293
0018448Fluor-liddicoatiteLussier A J, Abdu Y, Hawthorne F C, Michaelis V K, Aguiar P M, Kroeker S (2011) Oscillatory zoned liddicoatite from Anjanabonoina, central Madigascar. I. Crystal chemistry and structure by SREF and 11B and 27Al MAS NMR spectroscopy The Canadian Mineralogist 49 63-882011Anjanabonoina, central Madagascar0293
0018449Fluor-liddicoatiteLussier A J, Abdu Y, Hawthorne F C, Michaelis V K, Aguiar P M, Kroeker S (2011) Oscillatory zoned liddicoatite from Anjanabonoina, central Madigascar. I. Crystal chemistry and structure by SREF and 11B and 27Al MAS NMR spectroscopy The Canadian Mineralogist 49 63-882011Anjanabonoina, central Madagascar0293
0018450Fluor-liddicoatiteLussier A J, Abdu Y, Hawthorne F C, Michaelis V K, Aguiar P M, Kroeker S (2011) Oscillatory zoned liddicoatite from Anjanabonoina, central Madigascar. I. Crystal chemistry and structure by SREF and 11B and 27Al MAS NMR spectroscopy The Canadian Mineralogist 49 63-882011Anjanabonoina, central Madagascar0293
0018451Fluor-liddicoatiteLussier A J, Abdu Y, Hawthorne F C, Michaelis V K, Aguiar P M, Kroeker S (2011) Oscillatory zoned liddicoatite from Anjanabonoina, central Madigascar. I. Crystal chemistry and structure by SREF and 11B and 27Al MAS NMR spectroscopy The Canadian Mineralogist 49 63-882011Anjanabonoina, central Madagascar0293
0006766Fluor-liddicoatiteAurisicchio C, Demartin F, Ottolini L, Pezzotta F (1999) Homogeneous liddicoatite from Madagascar: a possible reference material? First EMPA, SIMS and SREF data European Journal of Mineralogy 11 237-2421999Madagascar0293
0006767Fluor-liddicoatiteAurisicchio C, Demartin F, Ottolini L, Pezzotta F (1999) Homogeneous liddicoatite from Madagascar: a possible reference material? First EMPA, SIMS and SREF data European Journal of Mineralogy 11 237-2421999Madagascar0293
0019734Oxy-chromium-draviteBosi F, Reznitskii L, Skogby H (2012) Oxy-chromium-dravite, NaCr3(Cr4Mg2)(Si6O18)(BO3)3(OH)3O, a new mineral species of the tourmaline supergroup American Mineralogist 97 2024-20302012Pereval marble quarry, Sludyanka, Lake Baikal, Russia0293
0020016DarrellhenryiteNovak M, Ertl A, Povondra P, Galiova M V, Rossman G R, Pristacz H, Prem M, Giester G, Gadas P, Skoda R (2013) Darrellhenryite, Na(LiAl2)Al6(BO3)3Si6O18(OH)3O, a new mineral from the tourmaline supergroup American Mineralogist 98 1886-18922013Nova Ves near Cesky Krumlov, southern Bohemia, Moldanubian Zone, Czech Republic0293
0020623Fluor-tsilaisiteBosi F, Andreozzi G B, Agrosi G, Scandale E (2015) Fluor-tsilaisite, NaMn3Al6(Si6O18)(BO3)3(OH)3F, a new tourmaline from San Piero in Campo (Elba, Italy) and new data on tsilaisitic tourmaline from the holotype specimen locality Mineralogical Magazine 79 89-1012015Grotta d'Oggi, San Piero in Campo, Elba Island, Italy0293
0020624Fluor-tsilaisiteBosi F, Andreozzi G B, Agrosi G, Scandale E (2015) Fluor-tsilaisite, NaMn3Al6(Si6O18)(BO3)3(OH)3F, a new tourmaline from San Piero in Campo (Elba, Italy) and new data on tsilaisitic tourmaline from the holotype specimen locality Mineralogical Magazine 79 89-1012015Grotta d'Oggi, San Piero in Campo, Elba Island, Italy0293
0005436Fluor-uviteMacDonald D J, Hawthorne F C (1995) The crystal chemistry of Si=Al substitution in tourmaline The Canadian Mineralogist 33 849-8581995East Africa0293
0005437Fluor-uviteMacDonald D J, Hawthorne F C (1995) The crystal chemistry of Si=Al substitution in tourmaline The Canadian Mineralogist 33 849-8581995East Africa0293
0005438Fluor-uviteMacDonald D J, Hawthorne F C (1995) The crystal chemistry of Si=Al substitution in tourmaline The Canadian Mineralogist 33 849-8581995East Africa0293
0005439Fluor-uviteMacDonald D J, Hawthorne F C (1995) The crystal chemistry of Si=Al substitution in tourmaline The Canadian Mineralogist 33 849-8581995East Africa0293
0005440Fluor-uviteMacDonald D J, Hawthorne F C (1995) The crystal chemistry of Si=Al substitution in tourmaline The Canadian Mineralogist 33 849-8581995East Africa0293
0005441Fluor-uviteMacDonald D J, Hawthorne F C (1995) The crystal chemistry of Si=Al substitution in tourmaline The Canadian Mineralogist 33 849-8581995East Africa0293
0005442Fluor-uviteMacDonald D J, Hawthorne F C (1995) The crystal chemistry of Si=Al substitution in tourmaline The Canadian Mineralogist 33 849-8581995East Africa0293
0005443Fluor-uviteMacDonald D J, Hawthorne F C (1995) The crystal chemistry of Si=Al substitution in tourmaline The Canadian Mineralogist 33 849-8581995East Africa0293
0005444Fluor-uviteMacDonald D J, Hawthorne F C (1995) The crystal chemistry of Si=Al substitution in tourmaline The Canadian Mineralogist 33 849-8581995East Africa0293
0018793Fluor-uviteGrice J D, Ercit T S (1993) Ordering of Fe and Mg in the tourmaline crystal structure: The correct formula Neues Jahrbuch fur Mineralogie, Abhandlungen 165 245-2661993Gouverneur, St. Lawrence Co., New York, USA0293
0020018Vanadio-oxy-draviteBosi F, Skogby H, Reznitskii L, Halenius U (2014) Vanadio-oxy-dravite, NaV3(Al4Mg2)(Si6O18)(BO3)3(OH)3O, a new mineral species of the tourmaline supergroup American Mineralogist 99 218-2242014Sludyanka, Lake Baikal, Russia0293
0020449AdachiiteNishio-Hamane D, Minakawa T, Yamaura J, Oyama T, Ohnishi M, Shimobayashi N (2014) Adachiite, a Si-poor member of the tourmaline supergroup from the Kiura mine, Oita Prefecture, Japan Journal of Mineralogical and Petrological Sciences 109 74-782014Kiura mine, Saiki City, Oita Prefecture, Japan0293
CIF Raw Data - click here to close

X-Ray Powder DiffractionHide

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Radiation - Copper Kα
Data Set:
Data courtesy of RRUFF project at University of Arizona, used with permission.

Synonyms of TourmalineHide

Other Language Names for TourmalineHide

Varieties of TourmalineHide

AchroiteA colorless, sometimes fibrous variety of tourmaline (usually, but not always, elbaite or fluor-elbaite).
Cat's Eye TourmalineA trade name for tourmaline (of any species) showing chatoyancy.
Chrome-TourmalineA Cr-bearing tourmaline.
Mn-TourmalineAn Mn-bearing tourmaline.
MohrenkopfturmalinPale coloured tourmaline with blackish crystal termination.
Moor's head tourmalinePale coloured tourmaline with blackish crystal termination.
English translation of the German "Mohrenkopfturmalin".
Nickel-bearing TourmalineA Ni-bearing tourmaline.
RubelliteA red/pinkish gemmy Li-rich and more or less (Fe+Mg)-free variety of tourmaline (primarily elbaite or fluor-elbaite, but may also be olenite or liddicoatite).
Trapiche tourmalineVariety showing six-spoked growth features.
Vanadium TourmalineA V-bearing tourmaline.
VerdeliteA green variety of tourmaline.
Watermelon TourmalineA variety of tourmaline (primarily elbaite fluor-elbaite and/or liddicoatite) with colour zoning showing a pink core and green rim, like a watermelon.

Relationship of Tourmaline to other SpeciesHide

Group Members:
Adachiite CaFe3Al6(Si5AlO18)(BO3)3(OH)3(OH)Trig. 3m : R3m
Alumino-oxy-rossmanite ◻Al3Al6(Si5AlO18)(BO3)3(OH)3OTrig. 3m : R3m
Bosiite NaFe3+3(Al4Mg2)(Si6O18)(BO3)3(OH)3OTrig. 3m : R3m
Celleriite ◻(Mn2+2Al)Al6(Si6O18)(BO3)3(OH)3(OH)Trig. 3m : R3m
Chromium-dravite NaMg3Cr3+6(Si6O18)(BO3)3(OH)3(OH)Trig. 3m : R3m
Chromo-alumino-povondraite NaCr3(Al4Mg2)(Si6O18)(BO3)3(OH)3OTrig. 3m : R3m
Darrellhenryite Na(Al2Li)Al6(Si6O18)(BO3)3(OH)3OTrig. 3m : R3m
Dravite NaMg3Al6(Si6O18)(BO3)3(OH)3(OH)Trig. 3m : R3m
Dutrowite Na(Fe2+2.5Ti0.5)Al6(Si6O18)(BO3)3(OH)3OTrig. 3m : R3m
Elbaite Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)Trig. 3m : R3m
Ferro-bosiite NaFe3+3(Al4Fe2+2)(Si6O18)(BO3)3(OH)3OTrig. 3m : R3m
Feruvite CaFe2+3(Al5Mg)(Si6O18)(BO3)3(OH)3(OH)Trig. 3m : R3m
Fluor-buergerite NaFe3+3Al6(Si6O18)(BO3)3O3FTrig. 3m : R3m
Fluor-dravite NaMg3Al6(Si6O18)(BO3)3(OH)3FTrig. 3m : R3m
Fluor-elbaite Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3FTrig. 3m : R3m
Fluor-liddicoatite Ca(Li2Al)Al6(Si6O18)(BO3)3(OH)3FTrig. 3m : R3m
Fluor-schorl NaFe2+3Al6(Si6O18)(BO3)3(OH)3FTrig. 3m : R3m
Fluor-tsilaisite NaMn2+3Al6(Si6O18)(BO3)3(OH)3FTrig. 3m : R3m
Fluor-uvite CaMg3(Al5Mg)(Si6O18)(BO3)3(OH)3FTrig. 3m : R3m
Foitite ◻(Fe2+2Al)Al6(Si6O18)(BO3)3(OH)3(OH)Trig. 3m : R3m
Liddicoatite Ca(Li2Al)Al6(Si6O18)(BO3)3(OH)3(OH)Trig. 3m : R3m
Lucchesiite CaFe2+3 Al6(Si6O18)(BO3)3(OH)3OTrig. 3m : R3m
Magnesio-dutrowite Na(Mg2.5Ti0.5)Al6(Si6O18)(BO3)3(OH)3OTrig. 3m : R3m
Magnesio-foitite ◻(Mg2Al)Al6(Si6O18)(BO3)3(OH)3(OH)Trig. 3m : R3m
Magnesio-lucchesiite CaMg3Al6(Si6O18)(BO3)3(OH)3OTrig. 3m : R3m
Maruyamaite K(Al2Mg)(Al5Mg)(Si6O18)(BO3)3(OH)3OTrig. 3m : R3m
Olenite NaAl3Al6(Si6O18)(BO3)3O3(OH)Trig. 3m : R3m
Oxy-chromium-dravite NaCr3(Cr4Mg2)(Si6O18)(BO3)3(OH)3O Trig. 3m : R3m
Oxy-dravite Na(Al2Mg)(Al5Mg)(Si6O18)(BO3)3(OH)3OTrig. 3m : R3m
Oxy-foitite ◻(Fe2+Al2)Al6(Si6O18)(BO3)3(OH)3OTrig. 3m (3 2/m) : R3m
Oxy-rossmanite ◻(Li0.5Al2.5)Al6(Si6O18)(BO3)3(OH)3O
Oxy-schorl Na(Fe2+2Al)Al6(Si6O18)(BO3)3(OH)3OTrig. 3m : R3m
Oxy-uvite CaMg3Al6(Si6O18)(BO3)3(OH)3O
Oxy-vanadium-dravite NaV3(V4Mg2)(Si6O18)(BO3)3(OH)3OTrig. 3m : R3m
Povondraite NaFe3+3(Mg2Fe3+4)(Si6O18)(BO3)3(OH)3OTrig. 3m : R3m
Princivalleite Na(Mn2Al)Al6(Si6O18)(BO3)3(OH)3OTrig. 3m : R3m
Rossmanite ◻(LiAl2)Al6(Si6O18)(BO3)3(OH)3(OH)Trig. 3m : R3m
Schorl NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)Trig. 3m : R3m
Tsilaisite NaMn2+3Al6(Si6O18)(BO3)3(OH)3(OH)Trig. 3m : R3m
UM2000-64-SiO:BFeHKMg (K,Na)Fe3+3(Mg2Fe3+4)Si6O18(BO3)3(OH)3O
UM2008-52-SiO:AlBCaFFeHLiMgNa (Ca,Na,◻)(Al,Li,Fe,Mg)3Al6[Si6O18](BO3)3(OH,O)3(F,O)
Unnamed (F analogue of feruvite) CaFe2+3(Al5Mg)(Si6O18)(BO3)3(OH)3F
Unnamed (Pb-analogue of Fluor-liddicoatite) Pb(Li2Al)Al6(Si6O18)(BO3)3(OH)3F
Uvite CaMg3(Al5Mg)(Si6O18)(BO3)3(OH)3(OH)Trig. 3m : R3m
Vanadio-oxy-chromium-dravite NaV3(Cr4Mg2)(Si6O18)(BO3)3(OH)3O Trig. 3m : R3m
Vanadio-oxy-dravite NaV3(Al4Mg2)(Si6O18)(BO3)3(OH)3OTrig. 3m : R3m

Other InformationHide

Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

Tourmaline in petrologyHide

Internet Links for TourmalineHide

References for TourmalineHide

Reference List:

Localities for TourmalineHide

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 ListShow

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