Iranite Mineral Data + 
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- 36.1.1.1 Iranite Pb10Cu(CrO4)6(SiO4)2(F,OH)2 P1 1
- 36.1.1.2 Hemihedrite Pb10Zn(CrO4)6(SiO4)2F2 P1 1
- VIII/B.28-10 Iranite Pb10Cu(CrO4)6(SiO4)2(F,OH)2 P1 1
- VIII/B.28-20 Hemihedrite Pb10Zn(CrO4)6(SiO4)2F2 P1 1
- VIII/B.28-25 Wherryite Pb7Cu2(SO4)4(SiO4)2(OH)2 C 2/m 2/m
- VIII/B.28-30 Macquartite Pb3Cu(CrO4)(SiO3)(OH)4·2(H2O) C 2/m ? 2/m
General Iranite Information |
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 Chemical Formula: |
Pb10Cu(CrO4)6(SiO4)2(F,OH)2 | ||
| Composition: |
Molecular Weight = 3,052.68 gm | ||
| Chromium 10.22 % Cr 19.65 % CrO3 | |||
| Copper 2.08 % Cu 2.34 % Cu2O | |||
| Silicon 1.84 % Si 3.94 % SiO2 | |||
| Hydrogen 0.02 % H 0.15 % H2O | |||
| Lead 67.87 % Pb 73.12 % PbO | |||
| Oxygen 17.03 % O | |||
| Fluorine 0.93 % F 0.93 % F | |||
| - % F -0.39 % -O=F2 | |||
| ______ ______ | |||
| 100.00 % 99.74 % = TOTAL OXIDE | |||
| Empirical Formula: |
Pb10Cu(CrO4)6(SiO4)2F1.5(OH)0.5 | ||
| IMA Status: |
Approved IMA 1963 | ||
| Locality: |
Sebarz mine, NE of Anarak, Iran. Link to MinDat.org Location Data. | ||
| Name Origin: |
Name for the country. | ||
Iranite Image | |||
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Images:
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Iranite Crystallography |
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| Axial Ratios: |
a:b:c =1.0503:1:1.0366 | ||
| Cell Dimensions: |
a = 10.02, b = 9.54, c = 9.89, Z = 1; alpha = 104.5°, beta = 66°, gamma = 108.5° V = 792.94 Den(Calc)= 6.39 | ||
| Crystal System: |
Triclinic - PedialH-M Symbol (1) Space Group: P1 | ||
| X Ray Diffraction: |
By Intensity(I/Io): 3.28(1), 3.49(1), 3.6(1), | ||
Physical Properties of Iranite |
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| Color: |
Brownish yellow, Yellow, Honey brown. | ||
| Density: |
5.8 | ||
| Hardness: |
3 - Calcite | ||
| Luster: |
Vitreous (Glassy) | ||
| Streak: |
yellow | ||
Optical Properties of Iranite |
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| Gladstone-Dale: |
CI meas= -0.31 (Poor) - where the CI = (1-KPDmeas/KC) CI calc= -0.189 (Poor) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.2113,KPDmeas= 0.2328,KC= 0.1777 |
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| Optical Data: |
Biaxial (?), a=2.25, g=2.4-2.5, bire=0.1500-0.2500 | ||
Calculated Properties of Iranite |
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| Electron Density: |
relectron=5.42 gm/cc |
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| Fermion Index |
Fermion Index = 0.16065 Boson Index = 0.83935 |
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| Photoelectric: |
PEIranite =1,231.83 barns/electron |
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Iranite is Not Radioactive |
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Iranite Classification |
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| Dana Class: |
36.1.1.1 (36)Compound Chromates | ||
| (36.1)with miscellaneous formulae | |||
| (36.1.1)Dana Group | |||
| Strunz Class: |
VIII/B.28-10 VIII - Silicates | ||
| VIII/B - Nesosubsilicates, with anions unfamiliar to tetraheders, with groups [SO4]2-, [CrO4]2- and [PO4]3- | |||
| VIII/B.28 - Iranite - Macquartite series | |||
Other Iranite Information |
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| References: |
PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Dana8) | ||
| See Also: |
Links to other databases for Iranite : 1 -Am. Min. Crystal Structure Database 2 -Athena 3 - EUROmin Project 4 -Google Images 5 -Google Scholar 6 -Handbook of Mineralogy (MinSocAm) 7 -Handbook of Mineralogy (UofA) 8 -MinDAT 9 -MinMax(Deutsch) 10 -MinMax(English) 11 -Mineralienatlas (Deutsch) 12 -QUT Mineral Atlas 13 -École des Mines de Paris Search for Iranite using: Visit our Advertisers for Iranite : Translate Iranite Mineral Data : Ask about Iranite here : Print or Cut-and-Paste your Iranite Specimen Label here :
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