Mummeite Mineral Data + 
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- 3.8.10.1 Pavonite (Ag,Cu)(Bi,Pb)3S5 C 2/c 2/m
- 3.8.10.2 Makovickyite Ag1.5Bi5.5S9 C 2/c 2/m
- 3.8.10.3 Benjaminite (Ag,Cu)3(Bi,Pb)7S12 C 2/c 2/m
- 3.8.10.4 Mummeite Ag3CuPbBi6S13orAg2Cu2Pb2Bi6S13 C 2/c 2/m
- 3.8.10.5 Borodaevite Ag5(Bi,Sb)9S16 C 2/c 2/m
- 3.8.10.6 Cupropavonite AgPbCu2Bi5S10 C 2/c 2/m
- 3.8.10.7 Cupromakovickyite! Cu4AgPb2Bi9S18 C 2/m 2/m
- 3.8.10.8 Kudriavite! (Cd,Pb)Bi2S4 C 2/m 2/m
- II/E.09-05 Borodaevite Ag5(Bi,Sb)9S16 C 2/c 2/m
- II/E.09-10 Benjaminite (Ag,Cu)3(Bi,Pb)7S12 C 2/c 2/m
- II/E.09-20 Mummeite Ag3CuPbBi6S13orAg2Cu2Pb2Bi6S13 C 2/c 2/m
- II/E.09-30 Pavonite (Ag,Cu)(Bi,Pb)3S5 C 2/c 2/m
- II/E.09-40 Cupropavonite AgPbCu2Bi5S10 C 2/c 2/m
- II/E.09-50 Kitaibelite* Ag10PbBi30S51 Mono ? Mono
- II/E.09-60 Makovickyite Ag1.5Bi5.5S9 C 2/c 2/m
General Mummeite Information |
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 Chemical Formula: |
Ag3CuPbBi6S13 or Ag2Cu2Pb2Bi6S13 | ||
| Composition: |
Molecular Weight = 2,265.09 gm | ||
| Copper 2.81 % Cu | |||
| Silver 14.29 % Ag | |||
| Bismuth 55.36 % Bi | |||
| Lead 9.15 % Pb | |||
| Sulfur 18.40 % S | |||
| ______ | |||
| 100.00 % | |||
| Empirical Formula: |
Ag3CuPbBi6S13 | ||
| IMA Status: |
Approved IMA 1986 | ||
| Locality: |
Alaska mine, Poughkeepsie Gulch, Silverton, Colorado, United States. Link to MinDat.org Location Data. | ||
| Name Origin: |
Named in 1986 for William G. Mumme (b.1936), Australian mineralogist. | ||
| Synonym: |
IMA1986-025 | ||
Search for Mummeite Images | |||
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Images:
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Mummeite Crystallography |
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| Axial Ratios: |
a:b:c =3.3177:1:5.3275 | ||
| Cell Dimensions: |
a = 13.47, b = 4.06, c = 21.63, Z = 2; beta = 92.9° V = 1,181.39 Den(Calc)= 6.37 | ||
| Crystal System: |
Monoclinic - PrismaticH-M Symbol (2/m) Space Group: C 2/c | ||
| X Ray Diffraction: |
By Intensity(I/Io): 2.023(1), 2.863(1), 3.53(0.5), | ||
Physical Properties of Mummeite |
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| Cleavage: |
None | ||
| Color: |
Silver gray. | ||
| Density: |
6.64 | ||
| Diaphaniety: |
Opaque | ||
| Hardness: |
4 - Fluorite | ||
| Luster: |
Metallic | ||
Calculated Properties of Mummeite |
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| Electron Density: |
relectron=5.39 gm/cc |
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| Fermion Index |
Fermion Index = 0.02159 Boson Index = 0.97841 |
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| Photoelectric: |
PEMummeite =1,260.20 barns/electron |
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Mummeite is Not Radioactive |
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Mummeite Classification |
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| Dana Class: |
3.8.10.4 (3)Sulfides - Sulfosalts | ||
| (3.8)where 1 < z/y <2 - (A+)i (A++)j [By Cz], A=metals, B=semi-metals, C=non-metals | |||
| (3.8.10)Pavonite Group (Monoclinic: C/2c bismuth sulfosalts) | |||
| Strunz Class: |
II/E.09-20 II - Sulfides and sulphosalts | ||
| II/E - Sulfosalts (S : As,Sb,Bi = x) Sulfosalts with predominant Silver, x = 6.0 - 1.6 | |||
| II/E.09 - Benjaminite - Kitaibelite series | |||
Other Mummeite Information |
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| References: |
NAME( Dana8) PHYS. PROP.(Am.Min.,Vol.78,p847,1993) | ||
| See Also: |
Links to other databases for Mummeite : 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 Mummeite using: Visit our Advertisers for Mummeite : AA Mineral SpecimensB & L Fine Minerals Dan Weinrich Fine Minerals Dan Weinrich Auctions e-Rocks Auctions Excalibur Minerals Exceptional Minerals Fabre Minerals Greenside Minerals Heliodor John Betts Fine Minerals Mason's Minerals Mineral News Mineral of the Month Club MineralsWeb Fine Minerals T G Fine Minerals Wrights Rock Shop Translate Mummeite Mineral Data : Ask about Mummeite here : Print or Cut-and-Paste your Mummeite Specimen Label here :
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