Sodalite
A valid IMA mineral species - grandfathered
This page kindly sponsored by John Kashuba
About Sodalite
Formula:
Na4(Si3Al3)O12Cl
Some K substitutes for Na in the grey-white Afghan sodalites. Hackmanite was originally defined as containing S. The brilliant yellow fluorescence arises from a disulfide ion with a negative charge replacing the Cl.
Colour:
All Colours
Lustre:
Vitreous, Greasy
Hardness:
5½ - 6
Specific Gravity:
2.27 - 2.33
Crystal System:
Isometric
Member of:
Name:
The name reflects its sodium content.
Type Locality:
Sodalite Group. Also classed as a feldspathoid.
Ideally sodalite has Na4Cl in the two cages in the unit cell. Unlike haüyne and nosean, sodalite is virtually CO2-free (Bellatreccia et al., 2009).
In some sodalites, the aluminosilicate cages appear to contain only Na and Cl according to EDS spectra.
Unlike haüyne and lazurite, Ca and K are seldom in the cages. The grey sodalites from Afghanistan contain minor K.
The white variety hackmanite is reported to contain S, but EDS studies show if it is there, it often occurs below detection limits (~1%) (R.W.M. Woodside, unpublished data).
The photoluminescence effect in sodalite may be connected with admixture of sulfur (presence of S enlarges the unit cell). Sodalite is also photochromic likely due to formation of F-centers (Zahoransky et al., 2016).
Ideally sodalite has Na4Cl in the two cages in the unit cell. Unlike haüyne and nosean, sodalite is virtually CO2-free (Bellatreccia et al., 2009).
In some sodalites, the aluminosilicate cages appear to contain only Na and Cl according to EDS spectra.
Unlike haüyne and lazurite, Ca and K are seldom in the cages. The grey sodalites from Afghanistan contain minor K.
The white variety hackmanite is reported to contain S, but EDS studies show if it is there, it often occurs below detection limits (~1%) (R.W.M. Woodside, unpublished data).
The photoluminescence effect in sodalite may be connected with admixture of sulfur (presence of S enlarges the unit cell). Sodalite is also photochromic likely due to formation of F-centers (Zahoransky et al., 2016).
Visit gemdat.org for gemological information about Sodalite.
Unique Identifiers
Mindat ID:
3701
Long-form identifier:
mindat:1:1:3701:9
GUID
(UUID V4):
(UUID V4):
40acf272-8331-42d3-b057-abb259bcbb34
IMA Classification of Sodalite
Approved, 'Grandfathered' (first described prior to 1959)
First published:
1811
Classification of Sodalite
9.FB.10
9 : SILICATES (Germanates)
F : Tektosilicates without zeolitic H2O
B : Tektosilicates with additional anions
9 : SILICATES (Germanates)
F : Tektosilicates without zeolitic H2O
B : Tektosilicates with additional anions
76.2.3.1
76 : TECTOSILICATES Al-Si Framework
2 : Al-Si Framework Feldspathoids and related species
76 : TECTOSILICATES Al-Si Framework
2 : Al-Si Framework Feldspathoids and related species
17.3.3
17 : Silicates Containing other Anions
3 : Silicates with chloride (including aluminosilicates)
17 : Silicates Containing other Anions
3 : Silicates with chloride (including aluminosilicates)
Mineral Symbols
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.
Please only use the official IMA–CNMNC symbol. Older variants are listed for historical use only.
Symbol | Source | Reference |
---|---|---|
Sdl | IMA–CNMNC | Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
Sdl | Kretz (1983) | Kretz, R. (1983) Symbols of rock-forming minerals. American Mineralogist, 68, 277–279. |
Sdl | Siivolam & 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 |
Sdl | Whitney & 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 |
Sdl | The Canadian Mineralogist (2019) | The Canadian Mineralogist (2019) The Canadian Mineralogist list of symbols for rock- and ore-forming minerals (December 30, 2019). download |
Physical Properties of Sodalite
Vitreous, Greasy
Transparency:
Transparent, Translucent
Colour:
All Colours
Comment:
Colourless, white, light yellow, green, light to very dark blue, gray, pink to violet
Streak:
White
Hardness:
5½ - 6 on Mohs scale
Tenacity:
Brittle
Cleavage:
Poor/Indistinct
Poor on {110}
Poor on {110}
Fracture:
Sub-Conchoidal
Density:
2.27 - 2.33 g/cm3 (Measured) 2.31 g/cm3 (Calculated)
Optical Data of Sodalite
Type:
Isotropic
RI values:
n = 1.483 - 1.487
Birefringence:
Isotropic minerals have no birefringence
Surface Relief:
Moderate
Pleochroism:
Non-pleochroic
Chemistry of Sodalite
Mindat Formula:
Na4(Si3Al3)O12Cl
Some K substitutes for Na in the grey-white Afghan sodalites. Hackmanite was originally defined as containing S. The brilliant yellow fluorescence arises from a disulfide ion with a negative charge replacing the Cl.
Some K substitutes for Na in the grey-white Afghan sodalites. Hackmanite was originally defined as containing S. The brilliant yellow fluorescence arises from a disulfide ion with a negative charge replacing the Cl.
Common Impurities:
Fe,Mn,K,Ca,H2O,S,Br
Crystallography of Sodalite
Crystal System:
Isometric
Class (H-M):
4 3m - Hextetrahedral
Space Group:
P4 3n
Cell Parameters:
a = 8.876(6) Å
Unit Cell V:
699.28 ų (Calculated from Unit Cell)
Z:
1
Morphology:
Crystals rare, dodecahedron.
Twinning:
Common on {111} forming pseudohexagonal prisms. (This may not be twinning, but merely elongated growth in the (111) direction). Twinning can occur in these elongated crystals. These have re-entrants in the terminations and 6 terminal faces instead of 3 for an elongated dodecahedron.
Comment:
Range: 8.870 - 8.882 A.
Crystal Structure
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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) |
---|---|---|---|---|---|---|---|
0003407 | Sodalite | Hassan I, Antao S M, Parise J B (2004) Sodalite: High-temperature structures obtained from synchrotron radiation and Rietveld refinements American Mineralogist 89 359-364 | 2004 | 0 | 293 | ||
0003408 | Sodalite | Hassan I, Antao S M, Parise J B (2004) Sodalite: High-temperature structures obtained from synchrotron radiation and Rietveld refinements American Mineralogist 89 359-364 | 2004 | 0 | 293 | ||
0003409 | Sodalite | Hassan I, Antao S M, Parise J B (2004) Sodalite: High-temperature structures obtained from synchrotron radiation and Rietveld refinements American Mineralogist 89 359-364 | 2004 | 0 | 293 | ||
0003410 | Sodalite | Hassan I, Antao S M, Parise J B (2004) Sodalite: High-temperature structures obtained from synchrotron radiation and Rietveld refinements American Mineralogist 89 359-364 | 2004 | 0 | 293 | ||
0003411 | Sodalite | Hassan I, Antao S M, Parise J B (2004) Sodalite: High-temperature structures obtained from synchrotron radiation and Rietveld refinements American Mineralogist 89 359-364 | 2004 | 0 | 293 | ||
0003412 | Sodalite | Hassan I, Antao S M, Parise J B (2004) Sodalite: High-temperature structures obtained from synchrotron radiation and Rietveld refinements American Mineralogist 89 359-364 | 2004 | 0 | 293 | ||
0003413 | Sodalite | Hassan I, Antao S M, Parise J B (2004) Sodalite: High-temperature structures obtained from synchrotron radiation and Rietveld refinements American Mineralogist 89 359-364 | 2004 | 0 | 293 | ||
0003414 | Sodalite | Hassan I, Antao S M, Parise J B (2004) Sodalite: High-temperature structures obtained from synchrotron radiation and Rietveld refinements American Mineralogist 89 359-364 | 2004 | 0 | 293 | ||
0003415 | Sodalite | Hassan I, Antao S M, Parise J B (2004) Sodalite: High-temperature structures obtained from synchrotron radiation and Rietveld refinements American Mineralogist 89 359-364 | 2004 | 0 | 293 | ||
0003416 | Sodalite | Hassan I, Antao S M, Parise J B (2004) Sodalite: High-temperature structures obtained from synchrotron radiation and Rietveld refinements American Mineralogist 89 359-364 | 2004 | 0 | 293 | ||
0003417 | Sodalite | Hassan I, Antao S M, Parise J B (2004) Sodalite: High-temperature structures obtained from synchrotron radiation and Rietveld refinements American Mineralogist 89 359-364 | 2004 | 0 | 293 | ||
0003418 | Sodalite | Hassan I, Antao S M, Parise J B (2004) Sodalite: High-temperature structures obtained from synchrotron radiation and Rietveld refinements American Mineralogist 89 359-364 | 2004 | 0 | 293 | ||
0003419 | Sodalite | Hassan I, Antao S M, Parise J B (2004) Sodalite: High-temperature structures obtained from synchrotron radiation and Rietveld refinements American Mineralogist 89 359-364 | 2004 | 0 | 293 | ||
0003420 | Sodalite | Hassan I, Antao S M, Parise J B (2004) Sodalite: High-temperature structures obtained from synchrotron radiation and Rietveld refinements American Mineralogist 89 359-364 | 2004 | 0 | 293 | ||
0005193 | Sodalite | Peterson R C (1983) The structure of hackmanite, a variety of sodalite, from Mont St-Hilaire, Quebec The Canadian Mineralogist 21 549-552 | 1983 | Mont St-Hilaire, Quebec, Canada | 0 | 293 | |
0006211 | Sodalite | Antao S M, Hassan I, Wang J, Lee P L, Toby B H (2008) State-of-the-art high-resolution powder x-ray diffraction (HRPXRD) illustrated with Rietveld structure refinement of quartz, sodalite, tremolite, and meionite The Canadian Mineralogist 46 1501-1509 | 2008 | Bancroft, Ontario | 0 | 293 | |
0006394 | Sodalite | Han S, Smith J V, Pluth J J, Richardson J W (1990) Crystal structure of MAPO-20 sodalite: theoretical analysis of three-color ordering of Mg, Al and P in a sodalite unit European Journal of Mineralogy 2 787-798 | 1990 | 0 | 293 | ||
0006395 | Sodalite | Han S, Smith J V, Pluth J J, Richardson J W (1990) Crystal structure of MAPO-20 sodalite: theoretical analysis of three-color ordering of Mg, Al and P in a sodalite unit European Journal of Mineralogy 2 787-798 | 1990 | 0 | 293 | ||
0006396 | Sodalite | Han S, Smith J V, Pluth J J, Richardson J W (1990) Crystal structure of MAPO-20 sodalite: theoretical analysis of three-color ordering of Mg, Al and P in a sodalite unit European Journal of Mineralogy 2 787-798 | 1990 | 0 | 295 | ||
0006397 | Sodalite | Han S, Smith J V, Pluth J J, Richardson J W (1990) Crystal structure of MAPO-20 sodalite: theoretical analysis of three-color ordering of Mg, Al and P in a sodalite unit European Journal of Mineralogy 2 787-798 | 1990 | 0 | 200 | ||
0006398 | Sodalite | Han S, Smith J V, Pluth J J, Richardson J W (1990) Crystal structure of MAPO-20 sodalite: theoretical analysis of three-color ordering of Mg, Al and P in a sodalite unit European Journal of Mineralogy 2 787-798 | 1990 | 0 | 20 | ||
0007133 | Sodalite | Ballirano P, Maras A (2005) Crystal chemical and structural characterization of an unusual CO3-bearing sodalite-group mineral European Journal of Mineralogy 17 805-812 | 2005 | Mt. Vesuvio, Italy | 0 | 293 | |
0009790 | Sodalite | Hassan I, Grundy H (1984) The crystal structures of sodalite-group minerals _cod_database_code 1000028 Acta Crystallographica B40 6-13 | 1984 | 0 | 293 | ||
0018060 | Sodalite | Pauling L (1930) The structure of sodalite and helvite _cod_database_code 1011185 Zeitschrift fur Kristallographie 74 213-225 | 1930 | 0 | 293 | ||
0018028 | Sodalite | Barth T (1932) The structures of the minerals of the sodalite family _cod_database_code 1011139 Zeitschrift fur Kristallographie 83 405-414 | 1932 | 0 | 293 |
CIF Raw Data - click here to close
X-Ray Powder Diffraction
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Radiation - Copper Kα
Data courtesy of RRUFF project at University of Arizona, used with permission.
Powder Diffraction Data:
d-spacing | Intensity |
---|---|
3.63 Å | (100) |
6.30 Å | (80) |
2.10 Å | (80) |
2.57 Å | (70) |
2.38 Å | (70) |
1.569 Å | (60) |
1.480 Å | (60) |
Comments:
Ice River, British Columbia, Canada. ICDD 20-1070.
Geological Environment
Paragenetic Mode(s):
Paragenetic Mode | Earliest Age (Ga) |
---|---|
Stage 3a: Earth’s earliest Hadean crust | >4.50 |
9 : Lava/xenolith minerals (hornfels, sanidinite facies) | |
High-𝑇 alteration and/or metamorphism | |
31 : Thermally altered carbonate, phosphate, and iron formations | |
Stage 4b: Highly evolved igneous rocks | >3.0 |
35 : Ultra-alkali and agpaitic igneous rocks |
Geological Setting:
Sodalites occur:
- in alkaline intrusives (Princess Mine, Bancroft, Ontario, Canada);
- in alkaline pegmatites (Mont St Hilaire, Quebec, Canada);
- in carbonatites (Magnet Cove, Arkansas, USA);
- in marble skarns or metasomatized calcareous rocks (Ladjuar Medan, Sar-e-Sang, Afghanistan);
- in phonolites and volcanic ejecta (Mount Vesuvius, Italy).
- in alkaline intrusives (Princess Mine, Bancroft, Ontario, Canada);
- in alkaline pegmatites (Mont St Hilaire, Quebec, Canada);
- in carbonatites (Magnet Cove, Arkansas, USA);
- in marble skarns or metasomatized calcareous rocks (Ladjuar Medan, Sar-e-Sang, Afghanistan);
- in phonolites and volcanic ejecta (Mount Vesuvius, Italy).
Type Occurrence of Sodalite
Geological Setting of Type Material:
Nepheline Seyenite
Reference:
Thomson, T. (1811) A chemical analysis of Sodalite, a new mineral from Greenland. Journal of natural Philosophy, Chemistry and the Arts: 29: 285-292.
Synonyms of Sodalite
Other Language Names for Sodalite
Varieties of Sodalite
Germanate-sodalite | An artificial Sodalite with Ge in place of Si |
Molybdosodalite | A variety of sodalite containing molybdenum oxide. |
Relationship of Sodalite to other Species
Member of:
Other Members of this group:
Bolotinaite | (Na7◻)(Al6Si6O24)F · 4H2O | Iso. 4 3m : I4 3m |
Haüyne | Na3Ca(Si3Al3)O12(SO4) | Iso. 4 3m : P4 3n |
Lazurite | Na7Ca(Al6Si6O24)(SO4)(S3) · H2O | Iso. 4 3m : P4 3n |
Nosean | Na8(Al6Si6O24)(SO4) · H2O | Iso. 4 3m : P4 3n |
Sapozhnikovite | Na8(Al6Si6O24)(HS)2 | Iso. 4 3m : P4 3n |
Tsaregorodtsevite | (N(CH3)4)(AlSi5O12) | Orth. 2 2 2 : I2 2 2 |
Vladimirivanovite | Na6Ca2(Al6Si6O24)(SO4,S3,S2,Cl)2 · H2O | Orth. mmm (2/m 2/m 2/m) |
Common Associates
Associated Minerals Based on Photo Data:
123 photos of Sodalite associated with Calcite | CaCO3 |
100 photos of Sodalite associated with Aegirine | NaFe3+Si2O6 |
76 photos of Sodalite associated with Analcime | Na(AlSi2O6) · H2O |
74 photos of Sodalite associated with Cancrinite | (Na,Ca,◻)8(Al6Si6O24)(CO3,SO4)2 · 2H2O |
70 photos of Sodalite associated with Nepheline | Na3K(Al4Si4O16) |
53 photos of Sodalite associated with Tugtupite | Na4BeAlSi4O12Cl |
51 photos of Sodalite associated with Pyrite | FeS2 |
45 photos of Sodalite associated with Chkalovite | Na2BeSi2O6 |
43 photos of Sodalite associated with Microcline | K(AlSi3O8) |
42 photos of Sodalite associated with Hackmanite | Na8Al6Si6O24(Cl2,S) |
Related Minerals - Strunz-mindat Grouping
9.FB. | Steudelite | Na3(K17Ca7)Ca4(Al24Si24O96)(SO3)6F6 · 4H2O |
9.FB. | Sapozhnikovite | Na8(Al6Si6O24)(HS)2 |
9.FB. | Betzite | Na6Ca2(Al6Si6O24)Cl4 |
9.FB. | Slyudyankaite | Na28Ca4(Si24Al24O96)(SO4)6(S6)1/3(CO2) · 2H2O |
9.FB. | Bolotinaite | (Na7◻)(Al6Si6O24)F · 4H2O |
9.FB. | Wenlanzhangite-(Y) | Y2V3+2V4+2(SiO4)2O4(OH)4 |
9.FB.05 | Afghanite | (Na,K)22Ca10(Si24Al24O96)(SO4)6Cl6 |
9.FB.05 | Bystrite | (Na,K)7Ca(Al6Si6O24)(S5)Cl |
9.FB.05 | Cancrinite | (Na,Ca,◻)8(Al6Si6O24)(CO3,SO4)2 · 2H2O |
9.FB.05 | Cancrisilite | Na7(Al5Si7O24)(CO3) · 3H2O |
9.FB.05 | Davyne | (Na,K)6Ca2(Al6Si6O24)(Cl2,SO4)2 |
9.FB.05 | Franzinite | (Na,K)6Ca2(Al6Si6O24)(SO4)2 · 0.5H2O |
9.FB.05 | Giuseppettite | (Na,K,Ca)7-8(Al6Si6O24)(SO4,Cl)1-2 |
9.FB.05 | Hydroxycancrinite | Na8(Al6Si6O24)(OH)2 · 2H2O |
9.FB.05 | Liottite | (Na,K)16Ca8(Al6Si6O24)3(SO4)5Cl4 |
9.FB.05 | Microsommite | Na4K2Ca2(Al6Si6O24)(SO4)Cl2 |
9.FB.05 | Pitiglianoite | Na6K2(Al6Si6O24)(SO4) · 2H2O |
9.FB.05 | Quadridavyne | (Na,K)6Ca2(Al6Si6O24)Cl4 |
9.FB.05 | Sacrofanite | (Na61K19Ca32)(Si84Al84O336)(SO4)26Cl2F6 · 2H2O |
9.FB.05 | Tounkite | (Na,Ca,K)8(Si6Al6)O24(SO4)2Cl · 0.5H2O |
9.FB.05 | Vishnevite | (Na,K)8(Al6Si6O24)(SO4,CO3) · 2H2O |
9.FB.05 | Marinellite | (Na,K)42Ca6(Al6Si6O24)6(SO4)8Cl2 · 3H2O |
9.FB.05 | Farneseite | (Na,Ca,K)56(Al6Si6O24)7(SO4)12 · 6H2O |
9.FB.05 | Alloriite | (Na,Ca,K)26Ca4(Al6Si6O24)4(SO4)6Cl6 |
9.FB.05 | Biachellaite | (Na,Ca,K)8(Al6Si6O24)(SO4)2(OH)0.5 · H2O |
9.FB.05 | Fantappièite | [Na82.5Ca33K16.5](Si99Al99O396)(SO4)33 · 4H2O |
9.FB.05 | Kyanoxalite | Na7(Al6-xSi6+xO24)(C2O4)0.5+x · 5H2O (0 < x < 0.5) |
9.FB.05 | Balliranoite | (Na,K)6Ca2(Si6Al6O24)Cl2(CO3) |
9.FB.05 | Carbobystrite | Na8(Al6Si6O24)(CO3) · 3.5H2O |
9.FB.05 | Depmeierite | Na8(Al6Si6O24)(PO4,CO3)1-x · 3H2O (x |
9.FB.05 | Kircherite | Na5Ca2K(Al6Si6O24)(SO4)2 · 0.33H2O |
9.FB.05 | Sulfhydrylbystrite | Na5K2Ca[Al6Si6O24](S5)2(SH) |
9.FB.10 | Bicchulite | Ca2(Al2SiO6)(OH)2 |
9.FB.10 | Danalite | Be3Fe2+4(SiO4)3S |
9.FB.10 | Genthelvite | Be3Zn4(SiO4)3S |
9.FB.10 va | Hackmanite | Na8Al6Si6O24(Cl2,S) |
9.FB.10 | Haüyne | Na3Ca(Si3Al3)O12(SO4) |
9.FB.10 | Helvine | Be3Mn2+4(SiO4)3S |
9.FB.10 | Kamaishilite | Ca2(Al2SiO6)(OH)2 |
9.FB.10 | Lazurite | Na7Ca(Al6Si6O24)(SO4)(S3) · H2O |
9.FB.10 | Nosean | Na8(Al6Si6O24)(SO4) · H2O |
9.FB.10 | Tsaregorodtsevite | (N(CH3)4)(AlSi5O12) |
9.FB.10 | Tugtupite | Na4BeAlSi4O12Cl |
9.FB.10 | Vladimirivanovite | Na6Ca2(Al6Si6O24)(SO4,S3,S2,Cl)2 · H2O |
9.FB.15 | Marialite | Na4Al3Si9O24Cl |
9.FB.15 | Meionite | Ca4Al6Si6O24CO3 |
9.FB.15 | Silvialite | (Ca,Na)4(Al6Si6O24)(SO4,CO3) |
Fluorescence of Sodalite
Bright red-orange under SW UV and blue, white, pink, red, yellow LW UV.
Cathodoluminescent (the effect is quenched by high concentrations of S, as shown by Zahoransky et al., 2016).
Yellowish phosphorescence may be photochromic in magentas.
Cathodoluminescent (the effect is quenched by high concentrations of S, as shown by Zahoransky et al., 2016).
Yellowish phosphorescence may be photochromic in magentas.
Other Information
Notes:
May give off odor of H2S on fracture.
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.
Sodalite in petrology
An essential component of rock names highlighted in red, an accessory component in rock names highlighted in green.
Internet Links for Sodalite
mindat.org URL:
https://www.mindat.org/min-3701.html
Please feel free to link to this page.
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References for Sodalite
Reference List:
Lorenzen, Joh. (1882) On some Minerals from the Sodalite-Syenite in Juliane-haab district, south Greenland. Mineralogical Magazine and Journal of the Mineralogical Society, 5 (23) 49-70 doi:10.1180/minmag.1882.005.023.02
Hassan, I., Grundy, H. D. (1984) The crystal structures of sodalite-group minerals. Acta Crystallographica Section B Structural Science, 40 (1) 6-13 doi:10.1107/s0108768184001683
Antao, S. M., Hassan, I. (2002) Thermal Analyses of Sodalite, Tugtupite, Danalite and Helvite. The Canadian Mineralogist, 40 (1) 163-172 doi:10.2113/gscanmin.40.1.163
Shannon, Robert D., Shannon, Ruth C., Medenbach, Olaf, Fischer, Reinhard X. (2002) Refractive Index and Dispersion of Fluorides and Oxides. Journal of Physical and Chemical Reference Data, 31 (4) 931-970 doi:10.1063/1.1497384
Hassan, Ishmael, Antao, Sytle M., Parise, John B. (2004) Sodalite: High-temperature structures obtained from synchrotron radiation and Rietveld refinements. American Mineralogist, 89 (2) 359-364 doi:10.2138/am-2004-2-315
Localities for Sodalite
Locality List
- 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.
All localities listed without proper references should be considered as questionable.
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Hiassu farm, Itaju do Colônia, Bahia, Brazil