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Friedrichite Mineral Data + |
General Friedrichite Information |
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| Pb5Cu5Bi7S18 | |||
| Molecular Weight = 3,393.78 gm | |||
| Copper 9.36 % Cu | |||
| Bismuth 43.10 % Bi | |||
| Lead 30.53 % Pb | |||
| Sulfur 17.01 % S | |||
| ______ | |||
| 100.00 % | |||
| Pb5Cu5Bi7S18 | |||
| As aggregates of granular crystals, in boulders of vein quartz which occur in the scree of a landslip. | |||
| Approved IMA 1978 | |||
| Near the emerald beryl deposit in the "Sedl" region, east of the Haqbachtan, Salzburg, Austria. Link to MinDat.org Location Data. | |||
| For Professor Dr.-Ing O.M. Friedrich, of the Mining University, Leoben, Styria, Austria. | |||
Friedrichite Image | |||
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Friedrichite Crystallography |
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| a:b:c =2.9047:1:0.3442 | |||
| a = 33.84, b = 11.65, c = 4.01, Z = 6; V = 1,580.89 Den(Calc)= 21.39 | |||
| Orthorhombic - PyramidalH-M Symbol (mm2) Space Group: Pb21m | |||
| By Intensity(I/Io): 3.161(1), 3.584(1), 3.644(1), | |||
Physical Properties of Friedrichite |
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| Silver gray. | |||
| 6.98 | |||
| Opaque | |||
| 4 - Fluorite | |||
| Metallic | |||
Optical Properties of Friedrichite |
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| Strong in oil, distinct in air. | |||
| Creamy yellowish white in air, more pinkish in oil. | |||
Calculated Properties of Friedrichite |
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relectron=18.0 gm/cc |
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| Fermion Index = 0.06873 Boson Index = 0.93127 |
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PEFriedrichite =1,390.76 barns/electron |
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| GRapi = 0 (Gamma Ray American Petroleum Institute Units) Friedrichite is Not Radioactive |
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Friedrichite Classification |
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| 3.4.5.5 (3)Sulfides - Sulfosalts | |||
| (3.4)where z/y > 3 - (A+)i (A++)j [By Cz], A=metals, B=semi-metals, C=non-metals | |||
| (3.4.5)Aikinite Group (Orthorhombic containing Pb, Cu, Bi, & S) | |||
| II/E.30-20 II - Sulfides and sulphosalts | |||
| II/E - Sulfosalts (S : As,Sb,Bi = x) Lead-Sulfosalts (Pb-Cu/Ag) with predominant Vismut x = 6.0 - 1.6 | |||
| II/E.30 - Aikinite - Pekoite series | |||
Other Friedrichite Information |
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| NAME( AntBidBlaNic1) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic1) | |||
| Links to other databases for Friedrichite : 1 -Am. Min. Crystal Structure Database 2 -Athena 3 - EUROmin Project 4 -Google Images 5 -Google Scholar 6 -Handbook of Mineralogy (UofA) 7 -MinDAT 8 -MinMax(Deutsch) 9 -MinMax(English) 10 -Mineralienatlas (Deutsch) 11 -QUT Mineral Atlas 12 -École des Mines de Paris Search for Friedrichite using: Visit our Advertisers for Friedrichite : Translate Friedrichite Mineral Data : Ask about Friedrichite here : Print or Cut-and-Paste your Friedrichite Specimen Label here :
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