General Iranite Information Chemical Formula: |
Pb10Cu(CrO4)6(SiO4)2(F,OH)2 |
Composition: |
Molecular Weight = 3,052.68 gm |
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Chromium 10.22 % Cr 19.65 % CrO3 |
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Copper 2.08 % Cu 2.34 % Cu2O |
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Silicon 1.84 % Si 3.94 % SiO2 |
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Hydrogen 0.02 % H 0.15 % H2O |
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Lead 67.87 % Pb 73.12 % PbO |
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Oxygen 17.03 % O |
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Fluorine 0.93 % F 0.93 % F |
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- %
F -0.39 % -O=F2 |
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______ ______ |
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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. |
Name Pronunciation: |
Iranite |
| | Iranite Image
Images:
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Iranite Crystallography 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), |
Crystal Structure:
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Mouse
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| Physical Properties of Iranite Color: |
Brownish yellow, Yellow, Honey brown. |
Density: |
5.8 |
Hardness: |
3 - Calcite |
Luster: |
Vitreous (Glassy) |
Streak: |
yellow |
| Optical Properties of Iranite Gladstone-Dale: |
CI meas= -0.31 (Poor) - where the CI = (1-KPDmeas/KC) |
CI calc= -0.216 (Poor) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.216,KPDmeas= 0.2328,KC= 0.1777 Ncalc = 2.03 - 2.11 Optical Data: |
Biaxial (?), a=2.25, g=2.4-2.5, bire=0.1500-0.2500 |
| Calculated Properties of Iranite Electron Density: |
Bulk Density (Electron Density)=5.30 gm/cc |
note: Specific Gravity of Iranite =6.25 gm/cc. Fermion Index: |
Fermion Index = 0.16 |
Boson Index = 0.84 Photoelectric: |
PEIranite =1,231.83 barns/electron |
U=PEIranite x rElectron Density=6,532.05 barns/cc. Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) |
Iranite is Not Radioactive | Iranite Classification Dana Class: |
36.01.01.01 (36)Compound Chromates |
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(36.01)with miscellaneous formulae |
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(36.01.01)Dana Group |
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Strunz Class: |
07.FC.15 07 - SULFATES (SELENATES, TELLURATES) |
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07.F - Chromates |
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07.FC -With PO4, AsO4, SiO4 |
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| Other Iranite Information 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 - Ecole des Mines de Paris 5 - GeoScienceWorld 6 - Google Images 7 - Google Scholar 8 - Handbook of Mineralogy (MinSocAm) 9 - Handbook of Mineralogy (UofA) 10 - MinDAT 11 - Mineralienatlas (Deutsch) 12 - Online Mineral Museum 13 - QUT Mineral Atlas 14 - Ruff.Info Search for Iranite using: Visit our Advertisers for Iranite : A Bijoux Google Search for IraniteAdam's Minerals Google Search for Iranite Cape Minerals Google Search for Iranite Dakota Matrix Minerals Google Search for Iranite Excalibur Mineral Corp. Google Search for Iranite Exceptional Minerals Google Search for Iranite John Betts Fine Minerals Search for Iranite McDougall Minerals Google Search for Iranite Mineral News Website Link Rock and Mineral Shows Google Search for Iranite Weinrich Minerals, Inc. Google Search for Iranite Ask about Iranite here : Print or Cut-and-Paste your Iranite Specimen Label here :
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