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Iranite

A valid IMA mineral species
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Photos of Iranite (77)Discuss Iranite
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Pb10Cu(CrO4)6(SiO4)2(OH)2
Colour:
Saffron-yellow
Lustre:
Vitreous
Hardness:
3
Crystal System:
Triclinic
Member of:
Iranite Group
Name:
After the type locality in the country of Iran.
Type Locality:
ⓘSebarz Mine (Sebraz Mine; Sebarg Mine), Anarak District, Nain County, Isfahan Province, Iran
Hemihedrite-Iranite Series. The copper analogue ofhemihedrite.

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.




Unique Identifiers
IMA Formula:
CuPb10(CrO4)6(SiO4)2(OH)2
First published:
1963
Type description reference:
Bariand, Pierre, Herpin, Paulette (1963) Une nouvelle espèce minérale : l'iranite, chromate hydraté de plomb.Bulletin de Minéralogie, 86 (2) 133-135doi:10.3406/bulmi.1963.5633

Classification of Iranite

7 : SULFATES (selenates, tellurates, chromates, molybdates, wolframates)
F : Chromates
C : With PO4, AsO4, SiO4
Dana 7th ed.:
36.1.1.1
Dana 8th ed.:
36.1.1.1

36 : COMPOUND CHROMATES
1 : Miscellaneous
Hey's CIM Ref.:
27.2.8

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

Mineral SymbolsJolyon RalphUnited Kingdom

Physical Properties of Iranite
Colour:
Saffron-yellow
Hardness:
3 onMohs scale

Optical Data of Iranite
Surface Relief:
Moderate
Dispersion:
relatively strong
Optical Extinction:
Extinction 5° to the elongation.
Pleochroism:
Visible
Comments:
On (100): brownish-orange along the elongation, yellow-orange perpendicular to the elongation.
Comments:
One index of refraction was approximately 2.25-2.30, and another was 2.40-2.50.

Chemistry of Iranite
Common Impurities:
Zn

Crystallography of Iranite
General Appearance of Type Material:
Crystals to 0.5 mm.
Place of Conservation of Type Material:
University of Pierre and Marie Curie, Paris.
National School of Mines, Paris, France.
The Natural History Museum, London, England, 1969,52.
Geological Setting of Type Material:
Oxidized zone of hydrothermal veins.
Associated Minerals at Type Locality:
DioptaseFornacite
Reference:
Bariand, Pierre, Herpin, Paulette (1963) Une nouvelle espèce minérale : l'iranite, chromate hydraté de plomb.Bulletin de Minéralogie, 86 (2) 133-135doi:10.3406/bulmi.1963.5633

Synonyms of Iranite

Other Language Names for Iranite

Relationship of Iranite to other Species
Other Members of Iranite Group:
HemihedritePb10Zn(CrO4)6(SiO4)2(OH)2Tric. 1 :P1
RaygrantitePb10Zn(SO4)6(SiO4)2(OH)2Tric.1 :P1
Forms a series with:
HemihedriteHemihedrite-Iranite Series

Common AssociatesMon. 2/m7.FC.10FornacitePb2Cu(CrO4)(AsO4)(OH)Mon. 2/m :P21/b7.FC.10MolybdofornacitePb2Cu(MoO4,CrO4)(AsO4,PO4)(OH)Mon. 2/m :P21/b7.FC.15HemihedritePb10Zn(CrO4)6(SiO4)2(OH)2Tric. 1 :P17.FC.15RaygrantitePb10Zn(SO4)6(SiO4)2(OH)2Tric.1 :P17.FC.20EmbreyitePb5(CrO4)2(PO4)2 · H2OMon. 2/m :B2/m7.FC.20CassedanneitePb5(CrO4)2(VO4)2 · H2OMon. 2/m

Other Information
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    • References for IraniteⓘSan Francisco MineSEM-EDS and Raman Spectroscopy by Joy ...M.Dini & A.Molina collection"Yacimientos Metalíferos de Chile"+1 other referenceMaurizio Dini collection+1 other referenceT. Kampf analysis
    Iran
     
    BariandBariand et al. (1963)
    USA
     
    Luetcke (n.d.)+1 other referenceAnthony et al. (1995)The following photos with MinIDs are ...+3 other referencesEckel et al. (1997)Castor et al. (2004)+1 other referenceHayes et al. (2008)Northrop et al. (1996)Northrop et al. (1996)
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