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Sphalerite

A valid IMA mineral species
This page kindly sponsored by Mark Kucera
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About SphaleriteHide

Formula:
ZnS
Colour:
Yellow, light to dark brown, black, red-brown, colourless, light blue, rarely green
Lustre:
Adamantine, Resinous
Hardness:
3œ - 4
Specific Gravity:
3.9 - 4.1
Crystal System:
Isometric
Name:
Originally called blende in 1546 by Georgius Agricola (Georg Bauer). Known by a variety of chemical-based names subsequent to Agricola and before Glocker, including "zincum". Named Sphalerite in 1847 by Ernst Friedrich Glocker from the Greek ÏƒÏ†Î±Î»Î”ÏÎżÎ¶ "sphaleros" = treacherous, in allusion to the ease with which dark varieties were mistaken for galena, but yielded no lead.
Polymorph of:
Sphalerite Group.

Sphalerite, also known as blende or zinc blende, is the major ore of zinc. When pure (with little or no iron) it forms clear to white crystals (known as cleiophane). Yellow to orange sphalerite is often called 'golden sphalerite'.

Red shades of sphalerite have been called 'ruby blende' or 'ruby jack' in the past.

As iron content increases, sphalerite forms dark, opaque submetallic crystals (known as marmatite or, in the past, 'black jack').

Very rarely, green crystals owe their colour to trace amounts of cobalt (Henn & Hofmann, 1985; Rager et al., 1996).

Sphalerite may also contain considerable manganese, grading into alabandite. Samples containing up to 0.36 apfu (atoms per formula unit) manganese (21.4 wt.% MnO) have been described by Hurai & HuraiovĂĄ (2011). It can also be mercury-rich and form a series with metacinnabar.

Sphalerite is an important source of rare metals like gallium (Ga) and indium (In), and the semi-metal germanium (Ge). Samples from the Restauradora vein of the Capillitas deposit, Argentina, bears a record, at 24.89 wt% In (and 13.49 wt% Cu) it is, astonishingly, still a sphalerite (MĂĄrquez-ZavalĂ­a et al. 2024).

See article on the schalenblende variety, by Harjo Neutkens: https://www.mindat.org/a/best_schalenblende

According to HaussĂŒhl and MĂŒller (1963), there are numerous polytypes; the ones identified by them are 3R (=3C); 2H, 4H, 6H; and 9R, 12R, 15R and 21R. Note that this can be taken to infer that wurtzite (all the H polytypes) is merely a series of polytypes of sphalerite!

Compare UM1993-16-S:CdInZn and UM1993-15-S:CdInZn.




Unique IdentifiersHide

Mindat ID:
3727
Long-form identifier:
mindat:1:1:3727:9

Similar NamesHide

SphaeriteA synonym of VarisciteAlPO4 · 2H2O

IMA Classification of SphaleriteHide

Approved, 'Grandfathered' (first described prior to 1959)

Classification of SphaleriteHide

2.CB.05a

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
C : Metal Sulfides, M: S = 1: 1 (and similar)
B : With Zn, Fe, Cu, Ag, etc.
2.8.2.1

2 : SULFIDES
8 : AmXp, with m:p = 1:1
3.4.4

3 : Sulphides, Selenides, Tellurides, Arsenides and Bismuthides (except the arsenides, antimonides and bismuthides of Cu, Ag and Au, which are included in Section 1)
4 : Sulphides etc. of Group II metals other than Hg (Mg, Ca, Zn, Cd)

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
SpIMA–CNMNCWarr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43
SpKretz (1983)Kretz, R. (1983) Symbols of rock-forming minerals. American Mineralogist, 68, 277–279.
SpSiivolam & 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
SpWhitney & 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
SpThe 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 SphaleriteHide

Adamantine, Resinous
Transparency:
Transparent, Translucent
Colour:
Yellow, light to dark brown, black, red-brown, colourless, light blue, rarely green
Comment:
Coloration of sphalerites from the Binntal, CH - varying from yellow to black for nearly identical iron contents - seems to be strongly influenced by the manganese content (Graeser, 1969).
Streak:
Pale yellow to brown.
Hardness:
3œ - 4 on Mohs scale
Hardness:
VHN100=208 - 224 kg/mm2 - Vickers
Tenacity:
Brittle
Cleavage:
Perfect
Perfect {011}
Fracture:
Conchoidal
Density:
3.9 - 4.1 g/cm3 (Measured)    4.096 g/cm3 (Calculated)

Optical Data of SphaleriteHide

Type:
Isotropic
RI values:
nα = 2.369
Birefringence:
May show strain induced birefringence
Surface Relief:
Moderate
Reflectivity:
WavelengthR1 (%)
400nm19.6%
420nm19.0%
440nm18.3%
460nm17.9%
480nm17.5%
500nm17.2%
520nm16.9%
540nm16.7%
560nm16.5%
580nm16.4%
600nm16.3%
620nm16.2%
640nm16.1%
660nm16.0%
680nm15.9%
700nm15.8%


Graph shows reflectance levels at different wavelengths (in nm). Peak reflectance is 19.6%.
Colour in reflected light:
Medium gray
Internal Reflections:
White, yellow, red, brown
Pleochroism:
Non-pleochroic

Chemistry of SphaleriteHide

Mindat Formula:
ZnS
Element Weights:
Element% weight
Zn67.094 %
S32.906 %

Calculated from ideal end-member formula.
Common Impurities:
Fe,Mn,Cd,Hg,In,Tl,Ga,Ge,Sb,Sn,Pb,Ag,Co

Age distributionHide

Recorded ages:
Phanerozoic : 519 Ma to 48.9 Ma - based on 24 recorded ages.

Chemical AnalysisHide

Crystallography of SphaleriteHide

Crystal System:
Isometric
Class (H-M):
4 3m - Hextetrahedral
Space Group:
F4 3m
Cell Parameters:
a = 5.406 Å
Unit Cell V:
157.99 ų (Calculated from Unit Cell)
Z:
4
Twinning:
{111}

Crystallographic forms of SphaleriteHide

Crystal Atlas:
Image Loading
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Sphalerite no.1 - Goldschmidt (1913-1926)
Sphalerite no.3 - Goldschmidt (1913-1926)
Sphalerite no.9 - Goldschmidt (1913-1926)
Sphalerite no.13 - Goldschmidt (1913-1926)
Sphalerite no.33 - Goldschmidt (1913-1926)
Sphalerite no.46 - Goldschmidt (1913-1926)
Sphalerite no.53 - Goldschmidt (1913-1926)
Sphalerite no.162 - Goldschmidt (1913-1926)
3d models and HTML5 code kindly provided by www.smorf.nl.

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IDSpeciesReferenceLinkYearLocalityPressure (GPa)Temp (K)
0000110SphaleriteSkinner B J (1961) Unit-cell edges of natural and synthetic sphalerites American Mineralogist 46 1399-14111961synthetic0293
0018098Sphaleritede Jong W (1927) Marmatit und christophit _cod_database_code 1011232 Zeitschrift fur Kristallographie 66 515-51519270293
0018099Sphaleritede Jong W (1927) Marmatit und christophit _cod_database_code 1011233 Zeitschrift fur Kristallographie 66 515-51519270293
0018328SphaleriteNitta E, Kimata M, Hoshino M, Echigo T, Hamasaki S, Nishida N, Shimizu M, Akasak T (2008) Crystal chemistry of ZnS minerals formed as high-temperature volcanic sublimates: matraite identical with sphalerite Journal of Mineralogical and Petrological Sciences 103 145-1512008Iwodake volcano, Satsuma-Iwojima, Kyushu, SW Japan0293
CIF Raw Data - click here to close

X-Ray Powder DiffractionHide

Loading XRD data...
Data courtesy of RRUFF project at University of Arizona, used with permission.
Powder Diffraction Data:
d-spacingIntensity
3.123 Å(100)
2.705 Å(10)
1.912 Å(51)
1.633 Å(30)
1.561 Å(2)
1.351 Å(6)
1.240 Å(9)
1.209 Å(2)
1.1034 Å(9)
1.0403 Å(5)
0.9557 Å(3)
0.9138 Å(5)
0.8548 Å(3)
0.8244 Å(2)
Comments:
ICDD 5-566 (synthetic). Similar data to that of cerianite-(Ce).

Geological EnvironmentHide

Paragenetic Mode(s):
Paragenetic ModeEarliest Age (Ga)
Stage 1: Primary nebular phases4.567-4.561
4 : Primary chondrule phases4.566–4.561
Stage 2: Planetesimal differentiation and alteration4.566-4.550
5 : Primary asteroid phases4.566–4.560
6 : Secondary asteroid phases4.566-4.560
Stage 3b: Earth’s earliest hydrosphere>4.45
12 : Hadean hydrothermal subsurface sulfide deposits (see also #33)
15 : Black/white smoker minerals and other seafloor hydrothermal minerals
Near-surface Processes
23 : Subaerial aqueous alteration by non-redox-sensitive fluids (see also #47)
High-𝑇 alteration and/or metamorphism
32 : Ba/Mn/Pb/Zn deposits, including metamorphic deposits
33 : Minerals deposited by hydrothermal metal-rich fluids (see also [#12])
Stage 4b: Highly evolved igneous rocks>3.0
34 : Complex granite pegmatites
36 : Carbonatites, kimberlites, and related igneous rocks
37 : Layered igneous intrusions and related PGE minerals
Stage 5: Initiation of plate tectonics<3.5-2.5
38 : Ophiolites
Stage 10a: Neoproterozoic oxygenation/terrestrial biosphere<0.6
49 : Oxic cellular biomineralization (see also #44)<0.54
50 : Coal and/or oil shale minerals<0.36
Stage 10b: Anthropogenic minerals<10 Ka
54 : Coal and other mine fire minerals (see also #51 and #56)

Synonyms of SphaleriteHide

Other Language Names for SphaleriteHide

Varieties of SphaleriteHide

Cadmium-bearing SphaleriteA Cd-bearing variety of sphalerite. Rather common.
CleiophaneCleiophane is colorless to white or green sphalerite due to low contents of Fe2+ and Mn2+. Yellow gemmy sphalerite is called "golden sphalerite."

First reported from Franklin, Franklin Mining District, Sussex Co., New Jersey, USA.
Gallium-bearing SphaleriteEnrichment in Ga (and other rare elements like, especially, Cd) is quite typical for many sphalerites, and sphalerite may act as an important source of Ga.
Gem BlendeA ruby-red translucent variety of "blende" (= sphalerite).
The translucency increases with decreasing iron content.
HonigblendeGerman name for honey-coloured sphalerite.
Indium-bearing SphaleriteAn In-bearing variety of sphalerite. It is usually also Cu-rich (coupled substitution of Cu+ + In3+ <-> 2Zn2+).

In contents close to 22 wt.% are reported by MĂĄrquez-ZavalĂ­a et al. (2020).
MarmatiteA macroscopically opaque and black, iron-rich variety of sphalerite, with up to 25 wt% Fe, or 40 mol% FeS, usually also Mn-rich, formed at relatively high temperatures.
Mercury-bearing SphaleriteA mercury-bearing variety of sphalerite.

See also Polhemusite.
MĂĄtraiteA densely twinned columnar variety of sphalerite. Discredited as 2006-C.
Nitta et al. (2008) showed that the sphalerite is twinned on {111}.

Originally reported from Gyöngyösoroszi, Måtra Mts., Heves Co., Hungary.
Pyrophoric sphaleriteA variety of sphalerite that gives off sparks or glows when abraded. Some pieces are so sensitive that the effect is obtained by scratching them with a fingernail (definitions furnished by Frank L. Hess, Mining Engineer, U.S. Bureau of Mines, Collee Park,...
Ruby JackRed variety of sphalerite.

Relationship of Sphalerite to other SpeciesHide

Other Members of Sphalerite Group:
BrowneiteMnS Iso. 4 3m : F4 3m
ColoradoiteHgTeIso. 4 3m : F4 3m
HawleyiteCdSIso. 4 3m : F4 3m
Ishiharaite(Cu,Ga,Fe,In,Zn)SIso. 4 3m : F4 3m
MetacinnabarHgSIso. 4 3m : F4 3m
Rudashevskyite(Fe,Zn)SIso. 4 3m : F4 3m
StilleiteZnSeIso. 4 3m : F4 3m
TiemanniteHgSeIso. 4 3m : F4 3m

Common AssociatesHide

Associated Minerals Based on Photo Data:
8,919 photos of Sphalerite associated with QuartzSiO2
6,352 photos of Sphalerite associated with GalenaPbS
5,140 photos of Sphalerite associated with CalciteCaCO3
5,049 photos of Sphalerite associated with PyriteFeS2
4,073 photos of Sphalerite associated with ChalcopyriteCuFeS2
3,555 photos of Sphalerite associated with FluoriteCaF2
2,548 photos of Sphalerite associated with DolomiteCaMg(CO3)2
1,930 photos of Sphalerite associated with SideriteFeCO3
1,247 photos of Sphalerite associated with BaryteBaSO4
874 photos of Sphalerite associated with MarcasiteFeS2

Related Minerals - Strunz-mindat GroupingHide

2.CB.RichardsiteZn2CuGaS4Tet. 4 2m : I4 2m
2.CB.OkruginiteCu2SnSe3Mon. m : Bb
2.CB.HanswilkeiteKFeS2Mon. 2/m : B2/b
2.CB.AuroselenideAuSeMon. 2/m : B2/m
2.CB.Ruizhongite(Ag2◻)Pb3Ge2S8Iso. 4 3m : I4 3d
2.CB.AgmantiniteAg2MnSnS4Orth.
2.CB.TolstykhiteAu3S4Te6Tric. 1 : P1
2.CB.GachingiteAu(Te1-xSex)Orth. mmm (2/m 2/m 2/m)
2.CB.05aHawleyiteCdSIso. 4 3m : F4 3m
2.CB.05UM1998-15-S:CuFeZnCu2Fe3Zn5S10
2.CB.05aColoradoiteHgTeIso. 4 3m : F4 3m
2.CB.05aMetacinnabarHgSIso. 4 3m : F4 3m
2.CB.05aTiemanniteHgSeIso. 4 3m : F4 3m
2.CB.05bSakuraiite(Cu,Zn,Fe)3(In,Sn)S4 Iso.
2.CB.05cPolhemusite(Zn,Hg)STet.
2.CB.05aRudashevskyite(Fe,Zn)SIso. 4 3m : F4 3m
2.CB.05aStilleiteZnSeIso. 4 3m : F4 3m
2.CB.05aIshiharaite(Cu,Ga,Fe,In,Zn)SIso. 4 3m : F4 3m
2.CB.07aUnnamed (Cu-Mn-Sn Sulphide)Cu2MnSnS4
2.CB.07aShenzhuangiteNiFeS2Tet. 4 2m : I4 2d
2.CB.10bTalnakhiteCu9(Fe,Ni)8S16Iso. 4 3m : I4 3m
2.CB.10bHaycockiteCu4Fe5S8Orth. 2 2 2
2.CB.10aLenaiteAgFeS2Tet. 4 2m : I4 2d
2.CB.10aGalliteCuGaS2Tet. 4 2m : I4 2d
2.CB.10aRoquesiteCuInS2Tet. 4 2m : I4 2d
2.CB.10aEskeborniteCuFeSe2Tet. 4 2m : P4 2c
2.CB.10aUM1984-30-S:CuFeSnCu2Fe2Sn3S7
2.CB.10cOmariniiteCu8Fe2ZnGe2S12Orth. 2 2 2 : I2 2 2
2.CB.10aChalcopyriteCuFeS2Tet. 4 2m : I4 2d
2.CB.10aUnnamed (Cu-Zn-In Sulphide)CuZn2InS4
2.CB.10bMooihoekiteCu9Fe9S16Tet. 4 2m : P4 2m
2.CB.10aLaforĂȘtiteAgInS2Tet. 4 2m : I4 2d
2.CB.10bPutoraniteCu1.1Fe1.2S2Iso. m3m (4/m 3 2/m) : Pn3m
2.CB.15aVelikiteCu2HgSnS4Tet. 4 : I4
2.CB.15cUM2006-11-S:CuFeGeZnCu8(Fe,Zn)3Ge2S12 (?)
2.CB.15aHocartiteAg2(Fe2+,Zn)SnS4Tet. 4 2m : I4 2m
2.CB.15aKësteriteCu2ZnSnS4Tet. 4 : I4
2.CB.15aPirquitasiteAg2ZnSnS4Tet. 4 : I4
2.CB.15aStanniteCu2FeSnS4Tet. 4 2m : I4 2m
2.CB.15cStannoiditeCu+6Cu2+2(Fe2+,Zn)3Sn2S12Orth. 2 2 2 : I2 2 2
2.CB.15bMohiteCu2SnS3Mon.
2.CB.15aČernĂœiteCu2CdSnS4Tet. 4 2m : I4 2m
2.CB.15aIdaiteCu5FeS6Hex.
2.CB.15aFerrokësteriteCu2FeSnS4Tet. 4 : I4
2.CB.15aKuramiteCu3SnS4Tet. 4 2m : I4 2m
2.CB.17a vArsenic-bearing RenieriteCu11GeAsFe4S16
2.CB.20MawsoniteCu6Fe2SnS8Tet. 4 2m : P4m2
2.CB.20ChatkaliteCu6FeSn2S8Tet. 4 2m : P4m2
2.CB.30FrieseiteAg2Fe5S8 (?)
2.CB.30NekrasoviteCu26V2(Sn,As,Sb)6S32Iso. 4 3m : P4 3n
2.CB.30Argyropyritenear Ag2Fe7S11
2.CB.30MaikainiteCu20(Fe,Cu)6Mo2Ge6S32Iso. m3m (4/m 3 2/m)
2.CB.30ColusiteCu13VAs3S16Iso. 4 3m : P4 3n
2.CB.30GermaniteCu13Fe2Ge2S16Iso. 4 3m : P4 3n
2.CB.30GermanocolusiteCu26V2(Ge,As)6S32Iso. 4 3m : P4 3m
2.CB.30StibiocolusiteCu13V(Sb,Sn,As)3S16Iso. 4 3m : P4 3m
2.CB.30Ovamboite Cu20(Fe,Cu,Zn)6W2Ge6S32Iso. 4 3m : P4 3n
2.CB.35aMorozeviczite(Pb,Fe)3Ge1-xS4Iso.
2.CB.35aRenierite(Cu1+,Zn)11Fe4(Ge4+,As5+)2S16Tet. 4 2m : P4 2c
2.CB.35aHemusiteCu6SnMoS8Iso.
2.CB.35bCatamarcaiteCu6GeWS8Hex. 6mm : P63mc
2.CB.35aVincienniteCu+7Cu2+3Fe2+2Fe3+2Sn(As,Sb)S16Tet.
2.CB.35aKiddcreekiteCu6SnWS8Iso. 4 3m : F4 3m
2.CB.35aPolkovicite(Fe,Pb)3(Ge,Fe)1-xS4Iso.
2.CB.40LautiteCuAsSOrth. mmm (2/m 2/m 2/m) : Pnma
2.CB.42LingbaoiteAgTe3Trig. 3m : R3m
2.CB.45CadmoseliteCdSeHex. 6mm : P63mc
2.CB.45RambergiteMnSHex. 6mm : P63mc
2.CB.45Buseckite(Fe,Zn,Mn)SHex. 6mm : P63mc
2.CB.45MaletoyvayamiteAu3Se4Te6Tric. 1 : P1
2.CB.45GreenockiteCdSHex. 6mm : P63mc
2.CB.45Wurtzite(Zn,Fe)SHex. 6mm : P63mc
2.CB.47MurchisiteCr5S6Trig. 3m (3 2/m) : P3 1c
2.CB.50ZincselenideZnSe
2.CB.50WassoniteTiSTrig. 3m (3 2/m) : R3m
2.CB.52DzhezkazganiteReMoCu2PbS6 ?Trig. 3m : R3m
2.CB.55bIsocubaniteCuFe2S3Iso. m3m (4/m 3 2/m) : Fm3m
2.CB.55aCubaniteCuFe2S3Orth. mmm (2/m 2/m 2/m)
2.CB.60RaguiniteTlFeS2Orth.
2.CB.60PicotpauliteTlFe2S3Orth. mmm (2/m 2/m 2/m) : Cmcm
2.CB.65ArgentopyriteAgFe2S3Mon. 2/m
2.CB.65SternbergiteAgFe2S3Orth. mmm (2/m 2/m 2/m)
2.CB.70SulvaniteCu3VS4Iso. 4 3m : P4 3m
2.CB.75VulcaniteCuTeOrth. mmm (2/m 2/m 2/m)
2.CB.80EmpressiteAgTeOrth. mmm (2/m 2/m 2/m)
2.CB.85MuthmanniteAuAgTe2Mon. 2/m : P2/m

Fluorescence of SphaleriteHide

Light colored sphalerite may fluoresce in blue or orange in LW. Fluoresces less strongly, sometimes not at all, in SW or MW.

Other InformationHide

Health Risks:
May be rich in some toxic elements, eg Cd, Hg.

Sphalerite in petrologyHide

An essential component of rock names highlighted in red, an accessory component in rock names highlighted in green.

Internet Links for SphaleriteHide

References for SphaleriteHide

Reference List:
Graeser, Stefan (1969) Minor elements in sphalerite and galena from Binnatal. Contributions to Mineralogy and Petrology, 24 (2) 156-163 doi:10.1007/bf00376888(Coloration of sphalerites from the Binntal, CH - varying from yellow to black for nearly identical iron contents - seems to be strongly influenced by the manganese content.)

Significant localities for SphaleriteHide

Showing 44 significant localities out of 27,011 recorded on mindat.org.

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

- 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.
Austria
 
  • Carinthia
    • Villach-Land District
      • Bad Bleiberg
        • Bleiberg-Kreuth
Niedermayr et al. (1995)
Canada
 
  • Ontario
    • Wellington County
      • Guelph Township
Mielke (n.d.) +1 other reference
France
 
  • Auvergne-RhĂŽne-Alpes
    • IsĂšre
      • Grenoble
        • Susville
Belot (1978)
  • Grand Est
    • Haut-Rhin
      • Thann-Guebwiller
        • Steinbach
          • Silberthal
Mines +1 other reference
  • Occitanie
    • Gard
      • Le Vigan
        • Montdardier
J F Carpenter specimen
Germany
 
  • Bavaria
    • Upper Franconia
      • Bamberg District
        • Altendorf
Kirill Vlasov
  • North Rhine-Westphalia
    • Cologne
      • Oberbergischer Kreis
        • NĂŒmbrecht
          • Wirtenbach
Lapis 2005 (30)
Ireland
 
  • Leinster
    • Longford County
      • Ballymahon
        • Keel
Flannery (n.d.) +2 other references
  • Munster
    • Tipperary County
      • Silvermines District
Flannery (n.d.) +1 other reference
Flannery (n.d.) +2 other references
Moreton (1999)
Italy
 
  • Tuscany
    • Lucca Province
      • Fabbriche di Vergemoli
        • Fornovolasco
Cioffi M. (Alpi Apuane) +1 other reference
      • Gallicano
Biagioni et al. (2008)
      • Stazzema
Benvenuti et al. (2000)
Dini (1995)
        • Pontestazzemese
Orlandi et al. (2004)
Kazakhstan
 
  • Karaganda Region
RWMW specimen +2 other references
Kosovo
 
  • Mitrovica District
    • Mitrovica
      • Trepča complex
Féraud J. (1979) +3 other references
Norway
 
  • Buskerud
Neumann (1944)
  • Rogaland
    • KarmĂžy
      • KarmĂžy Island
Torkelsen (1993)
Peru
 
  • Ancash
    • Bolognesi Province
      • Aquia District
- (1997) +2 other references
      • Huallanca District
        • Huanzala
Imai et al. (1985) +2 other references
    • Pallasca Province
      • Pampas District
- (1997) +1 other reference
    • Recuay Province
      • Ticapampa District
- (1997)
  • La Libertad
    • Santiago de Chuco Province
      • Quiruvilca District
Burkart-Baumann +2 other references
Poland
 
  • Lower Silesian Voivodeship
    • KƂodzko County
      • Nowa Ruda
Andrzejewski K. (1993)
Romania
 
  • Maramureș County
    • Baia Mare
MĂąrza +10 other references
Russia
 
  • Primorsky Krai
    • Dalnegorsk Urban District
      • Dalnegorsk
Dobovol'skaya et al. (1990) +3 other references
South Africa
 
  • Gauteng
    • West Rand District Municipality
      • Far West Rand
        • Western Sector
          • Carletonville
Wilson (2001)
Spain
 
  • Basque Country
    • GuipĂșzcoa (Gipuzkoa)
      • Mutiloa
Calvo et al. (1993) +1 other reference
  • Cantabria
    • Camaleño
GĂłmez FernĂĄndez et al. (2006)
  • Murcia
    • Cartagena
      • El Gorguel
        • El Pino
[var: Marmatite] Calvo (2003)
Switzerland
 
  • Valais
    • Goms
      • Binn
        • FĂ€ld
Graeser et al. (1987)
UK
 
  • England
    • Cumbria
      • Eden
        • Alston Moor
          • Nenthead
Dunham K C
    • Dorset
      • West Dorset
        • Symondsbury
          • Eype
David Baldwin
USA
 
  • Connecticut
    • Fairfield County
      • Brookfield
Januzzi (1994) +1 other reference
    • Litchfield County
      • Thomaston
        • Thomaston Dam
Fluorite: The Collector's Choice. Extra ... +7 other references
      • Woodbury
        • Orenaug Hills
J. Zolan +2 other references
  • Maryland
    • Carroll County
      • Medford
J. Wingard
  • Missouri
    • Lewis County
Sherwood et al. (1998)
  • New Jersey
    • Sussex County
[var: Cleiophane]
  • Tennessee
    • Smith County
      • Carthage
Kyle (1976) +2 other references
Rocks & Min. +2 other references
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