Paderaite Mineral Data + 
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- 3.8.4.1 Hodrushite Cu8Bi12S22 A2/m 2/m
- 3.8.4.2 Paderaite AgPb2Cu6Bi11S22 P 21/m 2/m
- II/E.34-08 Mozgovaite! PbBi4(S,Se)7 Bbmm 2/m 2/m 2/m
- II/E.34-10 Cosalite Pb2Bi2S5 Pbnm 2/m 2/m 2/m
- II/E.34-20 Proudite (Pb,Cu)8Bi9-10(S,Se)22 C 2/m 2/m
- II/E.34-30 Weibullite Pb6Bi8(S,Se)18 P nma 2/m 2/m 2/m
- II/E.34-60 Cannizzarite Pb4Bi6S13 C 2/m 2/m
- II/E.34-65 Wittite Pb3Bi4(S,Se)9 P 2/m 2/m
- II/E.34-70 Nordstromite Pb3CuBi7(S10Se4) P 21/m 2/m
- II/E.34-80 Junoite Pb3Cu2Bi8(S,Se)16 C 2/m 2/m
- II/E.34-85 Felbertalite! Cu2Pb6Bi8S19 C 2/m 2/m
- II/E.34-90 Watkinsonite PbCu2Bi4(Se,S)8 Pm ? m
- II/E.34-100 Paderaite AgPb2Cu6Bi11S22 P 21/m 2/m
- II/E.34-110 Galenobismutite PbBi2S4 Pnam 2/m 2/m 2/m
General Paderaite Information |
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 Chemical Formula: |
AgPb2Cu6Bi11S22 | ||
| Composition: |
Molecular Weight = 3,907.78 gm | ||
| Copper 9.76 % Cu | |||
| Silver 2.76 % Ag | |||
| Bismuth 58.83 % Bi | |||
| Lead 10.60 % Pb | |||
| Sulfur 18.05 % S | |||
| ______ | |||
| 100.00 % | |||
| Empirical Formula: |
AgPb2Cu6Bi11S22 | ||
| Environment: |
Intimately intergrown with other Pb-Bi sulfosalts. | ||
| IMA Status: |
Approved IMA 1985 | ||
| Locality: |
Baita (Resbanya), Romania. Link to MinDat.org Location Data. | ||
| Name Origin: |
Named for K. Padera, Charles University, Prague, Czechoslovakia. | ||
| Synonym: |
ICSD 63260 | ||
| PDF 42-617 | |||
Search for Paderaite Images | |||
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Images:
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Paderaite Crystallography |
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| Axial Ratios: |
a:b:c =7.2:1:4.443 | ||
| Cell Dimensions: |
a = 28.44, b = 3.95, c = 17.55, Z = 2; beta = 106.1° V = 1,894.21 Den(Calc)= 6.85 | ||
| Crystal System: |
Monoclinic - PrismaticH-M Symbol (2/m) Space Group: P 21/m | ||
| X Ray Diffraction: |
By Intensity(I/Io): 3.06(1), 3.63(0.74), 3.21(0.54), | ||
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Crystal Structure:
Mouse |
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Physical Properties of Paderaite |
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| Color: |
Black, Steel gray. | ||
| Density: |
6.91 | ||
| Diaphaniety: |
Opaque | ||
| Fracture: |
Uneven - Flat surfaces (not cleavage) fractured in an uneven pattern. | ||
| Habit: |
Fibrous - Crystals made up of fibers. | ||
| Habit: |
Platy - Sheet forms (e.g. micas). | ||
| Hardness: |
4 - Fluorite | ||
| Luster: |
Metallic | ||
| Streak: |
lead gray | ||
Optical Properties of Paderaite |
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| RL Anisotrophism: |
Moderate. | ||
| RL Color: |
Creamy white. | ||
Calculated Properties of Paderaite |
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| Electron Density: |
relectron=5.78 gm/cc |
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| Fermion Index |
Fermion Index = 0.02479 Boson Index = 0.97521 |
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| Photoelectric: |
PEPaderaite =1,327.22 barns/electron |
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Paderaite is Not Radioactive |
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Paderaite Classification |
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| Dana Class: |
3.8.4.2 (3)Sulfides - Sulfosalts | ||
| (3.8)where 1 < z/y <2 - (A+)i (A++)j [By Cz], A=metals, B=semi-metals, C=non-metals | |||
| (3.8.4)Dana Group | |||
| Strunz Class: |
II/E.34-100 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.34 - Cosalite - Galenobismuthite | |||
Other Paderaite Information |
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| References: |
NAME( AntBidBlaNic1) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic1) | ||
| See Also: |
Links to other databases for Paderaite : 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 - WWW-MINCRYST 13 -École des Mines de Paris Search for Paderaite using: Visit our Advertisers for Paderaite : Translate Paderaite Mineral Data : Ask about Paderaite here : Print or Cut-and-Paste your Paderaite Specimen Label here :
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