Sterryite Mineral Data + 
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- 3.5.3.1 Sterryite Ag2Pb10(Sb,As)12S29 Pbam 2/m 2/m 2/m
- II/E.20-10 Madocite Pb17(Sb,As)16S41 Pb2a mm2
- II/E.20-20 Launayite Pb22Sb26S61 C 2/m 2/m
- II/E.20-25 Pellouxite! (Cu,Ag)Pb10Sb12S27(Cl,S)0.6O C 2/m 2/m
- II/E.20-30 Sterryite Ag2Pb10(Sb,As)12S29 Pbam 2/m 2/m 2/m
- II/E.20-40 Playfairite Pb16Sb18S43 P 21/m 2/m
- II/E.20-50 Sorbyite Pb19(Sb,As)20S49 C 2/m 2/m
- II/E.20-60 Dadsonite Pb21Sb23S55Cl P 2,Pm,P 2/m Mono
General Sterryite Information |
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 Chemical Formula: |
Ag2Pb10(Sb,As)12S29 | ||
| Composition: |
Molecular Weight = 4,538.17 gm | ||
| Silver 4.75 % Ag | |||
| Antimony 24.15 % Sb | |||
| Arsenic 4.95 % As | |||
| Lead 45.66 % Pb | |||
| Sulfur 20.49 % S | |||
| ______ | |||
| 100.00 % | |||
| Empirical Formula: |
Ag2Pb10Sb9As3S29 | ||
| Environment: |
Of hydrothermal origin, in marble. | ||
| IMA Status: |
Approved IMA 1967 | ||
| Locality: |
Taylor pit, Madoc, Huntingdon township, Hastings County, Ontario, Canada. Link to MinDat.org Location Data. | ||
| Name Origin: |
Named for T. Sterry Hunt (1826-1892), first mineralogist with the Geological Survey of Canada. | ||
| Synonym: |
IMA1966-020 | ||
Sterryite Image | |||
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Images:
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Sterryite Crystallography |
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| Axial Ratios: |
a:b:c =0.6682:1:0.0959 | ||
| Cell Dimensions: |
a = 28.48, b = 42.62, c = 4.09, Z = 4; V = 4,964.51 Den(Calc)= 6.07 | ||
| Crystal System: |
Orthorhombic - DipyramidalH-M Symbol (2/m 2/m 2/m) Space Group: Pbam | ||
| X Ray Diffraction: |
By Intensity(I/Io): 3.26(1), 3.68(0.9), 2.836(0.7), | ||
Physical Properties of Sterryite |
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| Cleavage: |
[hk0] Perfect | ||
| Color: |
Black. | ||
| Density: |
6 | ||
| Diaphaniety: |
Opaque | ||
| Habit: |
Plumose - "Mica-like" minerals forming aggregates of plume-like forms. | ||
| Hardness: |
3.5 - Copper Penny | ||
| Luster: |
Metallic | ||
| Streak: |
metallic | ||
Optical Properties of Sterryite |
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| RL Color: |
White. | ||
| RL Pleochroism: |
Strong, from gray to white. | ||
Calculated Properties of Sterryite |
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| Electron Density: |
relectron=5.18 gm/cc |
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| Fermion Index |
Fermion Index = 0.10243 Boson Index = 0.89757 |
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| Photoelectric: |
PESterryite = 922.38 barns/electron |
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Sterryite is Not Radioactive |
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Sterryite Classification |
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| Dana Class: |
3.5.3.1 (3)Sulfides - Sulfosalts | ||
| (3.5)where 2.5 < z/y < 3 - (A+)i (A++)j [By Cz], A=metals, B=semi-metals, C=non-metals | |||
| (3.5.3)Dana Group | |||
| Strunz Class: |
II/E.20-30 II - Sulfides and sulphosalts | ||
| II/E - Sulfosalts (S : As,Sb,Bi = x), Sulfosalts with predominant Iron and Copper x = 2.0 | |||
| II/E.20 - Madocite - Dadsonite series | |||
Other Sterryite 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 Sterryite : 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 Sterryite using: Visit our Advertisers for Sterryite : Translate Sterryite Mineral Data : Ask about Sterryite here : Print or Cut-and-Paste your Sterryite Specimen Label here :
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