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Iranite

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About IraniteHide

Formula:
Pb10Cu(CrO4)6(SiO4)2(OH)2
Hardness:
3
Crystal System:
Triclinic
Member of:
Name:
After the type locality in the country of Iran.
Hemihedrite-Iranite Series. The copper analogue of hemihedrite.

Bariand and Poullen (1980) suggest that the type locality is probably not the Sebarz mine as given in Bariand and Herpin (1963), but the Chah-Khouni mine.




Classification of IraniteHide

Approved
7.FC.15

7 : SULFATES (selenates, tellurates, chromates, molybdates, wolframates)
F : Chromates
C : With PO4, AsO4, SiO4
Dana 7th ed.:
36.1.1.1
36.1.1.1

36 : COMPOUND CHROMATES
1 : Miscellaneous
27.2.8

27 : Sulphites, Chromates, Molybdates and Tungstates
2 : Chromates

Pronounciation of IraniteHide

Pronounciation:
PlayRecorded byCountry
Jolyon RalphUnited Kingdom

Physical Properties of IraniteHide

Hardness:

Optical Data of IraniteHide

Type:
Biaxial
RI values:
nα = 2.250 - 2.300 nγ = 2.400 - 2.500
Max Birefringence:
δ = 0.150 - 0.200
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Moderate
Dispersion:
relatively strong

Chemical Properties of IraniteHide

Formula:
Pb10Cu(CrO4)6(SiO4)2(OH)2
IMA Formula:
CuPb10(CrO4)6(SiO4)2(OH)2
Common Impurities:
Zn

Crystallography of IraniteHide

Crystal System:
Triclinic
Cell Parameters:
a = 10.02 Å, b = 9.54 Å, c = 9.89 Å
α = 104.5°, β = 66°, γ = 108.5°
Ratio:
a:b:c = 1.05 : 1 : 1.037
Unit Cell V:
810.96 ų (Calculated from Unit Cell)

Crystal StructureHide

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IDSpeciesReferenceLinkYearLocalityPressure (GPa)Temp (K)
0010340IraniteYang H, Sano J L, Eichler C, Downs R T, Costin G (2007) Iranite, CuPb10(CrO4)6(SiO4)2(OH)2, isomorphous with hemihedrite Acta Crystallographica C63 i122-i1242007Chapacase mine, Sierra Cerillos district, Tocopilla, Chile0293
CIF Raw Data - click here to close

Type Occurrence of IraniteHide

Synonyms of IraniteHide

Other Language Names for IraniteHide

German:Iranit
Simplified Chinese:水铬铅矿
Spanish:Iranita
Traditional Chinese:水鉻鉛礦

Relationship of Iranite to other SpeciesHide

Member of:
Other Members of this group:
HemihedritePb10Zn(CrO4)6(SiO4)2(OH)2Tric.
RaygrantitePb10Zn(SO4)6(SiO4)2(OH)2Tric. 1 : P1
Forms a series with:

Common AssociatesHide

Associated Minerals Based on Photo Data:
11 photos of Iranite associated with WulfenitePb(MoO4)
6 photos of Iranite associated with Chromium-bearing WulfenitePb(Mo,Cr)O4
6 photos of Iranite associated with PhoenicochroitePb2(CrO4)O
4 photos of Iranite associated with MimetitePb5(AsO4)3Cl
4 photos of Iranite associated with GalenaPbS
4 photos of Iranite associated with WickenburgiteCaPb3Al2Si10O24(OH)6
3 photos of Iranite associated with PolyhaliteK2Ca2Mg(SO4)4 · 2H2O
3 photos of Iranite associated with CalciteCaCO3
2 photos of Iranite associated with FornacitePb2Cu(CrO4)(AsO4)(OH)
1 photo of Iranite associated with HemihedritePb10Zn(CrO4)6(SiO4)2(OH)2

Related Minerals - Nickel-Strunz GroupingHide

7.FC.05VauquelinitePb2Cu(CrO4)(PO4)(OH)Mon. 2/m
7.FC.10FornacitePb2Cu(CrO4)(AsO4)(OH)Mon. 2/m : P21/b
7.FC.10MolybdofornacitePb2Cu(MoO4,CrO4)(AsO4,PO4)(OH)Mon.
7.FC.15HemihedritePb10Zn(CrO4)6(SiO4)2(OH)2Tric.
7.FC.20CassedanneitePb5(CrO4)2(VO4)2 · H2OMon.
7.FC.20EmbreyitePb5(CrO4)2(PO4)2 · H2OMon. 2/m : B2/m

Related Minerals - Dana Grouping (8th Ed.)Hide

36.1.1.2HemihedritePb10Zn(CrO4)6(SiO4)2(OH)2Tric.

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

27.2.1TarapacáiteK2(CrO4)Orth. mmm (2/m 2/m 2/m)
27.2.2LópeziteK2Cr6+2O7Tric. 1 : P1
27.2.3ChromatiteCaCr6+O4Tet. 4/mmm (4/m 2/m 2/m) : I41/amd
27.2.4HashemiteBaCr6+O4Orth. mmm (2/m 2/m 2/m) : Pnma
27.2.5CrocoitePbCr6+O4Mon. 2/m : P21/b
27.2.6PhoenicochroitePb2(CrO4)OMon.
27.2.7SantanaitePb11(CrO4)O12Hex. 6 2 2 : P63 2 2
27.2.9HemihedritePb10Zn(CrO4)6(SiO4)2(OH)2Tric.

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.

References for IraniteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Bariand, P., Herpin, P. (1963) Une nouvelle espèce minérale: l'iranite, chromate hydraté de plomb. Bulletin de la Société Française de Minéralogie et de Cristallographie: 86: 133-135.
Fleischer, M. (1963) New mineral names. American Mineralogist: 48: 1417.
Adib, D., Ottemann, J. (1970) Some new lead oxide minerals and murdochite from T. Khuni Mine, Anarak, Iran. Mineralium Deposita: 5: 86-93.
Fleischer, M., Pabst, A., Mandarino, J.A., Chao, G.Y., Cabri, L.J. (1976) New mineral names. American Mineralogist: 61: 186.
Bariand, P., Poullen, J.F. (1980) Rare chromates from Seh–Changi, Iran. The Mineralogical Record: 11: 293-297.
Cesbron, F., Williams, S.A. (1980) Iranite-hémihédrite, bellite, phoenicochroite, vauquelinite et fornacite: synthèse et nouvelles données. Bulletin de la Société française de Minéralogie et de Cristallographie (1980): 103: 469.
Frost, R.L. (2004) Raman microscopy of selected chromate minerals. Journal of Raman Spectroscopy: 35: 153-158.
Yang, H., Sano, J.L., Eichler, C., Downs, R.T., Costin, G. (2007) Iranite, CuPb10(CrO4)6(SiO4)2(OH)2, isomorphous with hemihedrite. Acta Crystallographica: C63: i122-i124.

Internet Links for IraniteHide

Localities for IraniteHide

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 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 (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
Chile
 
  • Antofagasta
    • Antofagasta Province
      • Sierra Gorda
        • Caracoles
SEM-EDS and Raman Spectroscopy by Joy Desor
M.Dini & A.Molina collection
    • Tocopilla Province
      • Caracoles
Peebles F./Ruiz Fuller C.(1988); "Yacimientos Metalíferos de Chile", Fondecyt, Stgo. de Chile.
      • Tocopilla
Yang, H., Sano, J.L., Eichler, C., Downs, R.T., Costin, G. (2007): Iranite, CuPb10(CrO4)6(SiO4)2(OH)2, isomorphous with hemihedrite. Acta Crystallographica, C63, i122-i124; Maurizio Dini collection
Iran
 
  • Isfahan Province
    • Nain County
      • Anarak District
Bariand, P. 1963. Contribution à la minéralogie de l’lran. Bulletin de la Société Française de minéralogie et de cristallographie, 86: 17-64. [Locality description in brief and mineralogical list with photographs] Bariand, P. 2003. Un apercu général sur la Minéralogie de I'Iran. Le Règne Minéral, 54: 41-51.
Bull.Soc.fr.Min.Crist.(1963) 86, 133-135
USA
 
  • Arizona
    • Maricopa Co.
      • Osborn Mining District
        • Tonopah
          • Belmont Mountain
            • Tiger Wash
Rolf Luetcke; Bob Meyer (2012) Micro Mineral Collector. Friends of Mineralogy National Newsletter 42:10-13
    • Pinal Co.
      • Mammoth Mining District
        • Tiger
          • St. Anthony deposit
Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 260.
  • Colorado
    • Moffat Co.
      • Skull Creek Mining District (Blue Mountain Mining District)
Minerals of Colorado (1997) Eckel, E. B.
  • Nevada
    • Clark Co.
      • Eldorado Mountains
        • Eldorado Mining District (Colorado Mining District)
NBMG Spec. Pub. 31 Minerals of Nevada; Robert M. Housley (2005) Recent rare mineral finds in southern California and Nevada desert mines. Abstracts from the 2005 Desert Symposium. California State University, Desert Studies Consortium and LSA Associates, Inc.
      • Spring Mountains
        • Goodsprings Mining District
Rocks & Minerals 83:1 pp 65-69
  • New Mexico
    • Socorro Co.
Minerals of New Mexico 3rd ed.
        • Silver Hill area
Minerals of New Mexico 3rd ed.
 
Mineral and/or Locality  
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