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Iranite

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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 and hydroxyl 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.




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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

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
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)

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:
Wulfenite11 photos of Iranite associated with Wulfenite on mindat.org.
Chromian Wulfenite6 photos of Iranite associated with Chromian Wulfenite on mindat.org.
Phoenicochroite6 photos of Iranite associated with Phoenicochroite on mindat.org.
Mimetite4 photos of Iranite associated with Mimetite on mindat.org.
Galena4 photos of Iranite associated with Galena on mindat.org.
Wickenburgite4 photos of Iranite associated with Wickenburgite on mindat.org.
Polyhalite3 photos of Iranite associated with Polyhalite on mindat.org.
Calcite3 photos of Iranite associated with Calcite on mindat.org.
Fornacite2 photos of Iranite associated with Fornacite on mindat.org.
Hemihedrite1 photo of Iranite associated with Hemihedrite on mindat.org.

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.

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)
27.2.2LópeziteK2Cr2O7Tric. 1 : P1
27.2.3ChromatiteCaCr6+O4Tet. 4/mmm (4/m 2/m 2/m) : I41/amd
27.2.4HashemiteBa(CrO4)Orth. mmm (2/m 2/m 2/m) : Pnma
27.2.5CrocoitePb(CrO4)Mon. 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 Region
    • Antofagasta Province
      • Sierra Gorda District
        • Caracoles
M.Dini & A.Molina collection
    • Tocopilla Province
      • Sierra Gorda district
        • Caracoles
Peebles F./Ruiz Fuller C.(1988); "Yacimientos Metalíferos de Chile", Fondecyt, Stgo. de Chile.
      • Tocopilla District
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
 
  • Esfahan Province (Isfahan Province; Aspadana Province)
    • Nain County (Nayin 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.
      • Big Horn Mts
        • Osborn 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 District
        • Tiger
          • St. Anthony deposit
Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 260.
  • Colorado
    • Moffat Co.
      • Skull Creek District (Blue Mountain District)
Minerals of Colorado (1997) Eckels, E. B.
  • Nevada
    • Clark Co.
      • Eldorado Mts
        • Eldorado District (Colorado 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 Mts
        • Goodsprings 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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