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Sterryite Mineral Data
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General Sterryite Information
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 Chemical Formula: |
Ag2Pb10(Sb,As)12S29 |
| Composition: |
Molecular Weight = 4,538.17 gm |
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Silver 4.75 % Ag |
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Antimony 24.15 % Sb |
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Arsenic 4.95 % As |
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Lead 45.66 % Pb |
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Sulfur 20.49 % S |
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______ |
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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. |
| Name Pronunciation: |
Sterryite + Pronunciation  |
| Synonym: |
IMA1966-020 |
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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 - Dipyramidal H-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), |
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Physical Properties of Sterryite
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| Cleavage: |
{hk0} Perfect |
| Color: |
Black. |
| Density: |
6 |
| Diaphaneity: |
Opaque |
| Habit: |
Plumose - "Mica-like" minerals forming aggregates of plume-like forms. |
| Hardness: |
3.5 - Copper Penny |
| Luster: |
Metallic |
| Streak: |
metallic |
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Optical Properties of Sterryite
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| RL Color: |
White. |
| RL Pleochroism: |
Strong, from gray to white. |
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Calculated Properties of Sterryite
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| Electron Density: |
Bulk Density (Electron Density)=5.18 gm/cc
note: Specific Gravity of Sterryite =6.07 gm/cc.
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| Fermion Index: |
Fermion Index = 0.1
Boson Index = 0.9 |
| Photoelectric: |
PESterryite = 922.38 barns/electron
U=PESterryite x rElectron Density=4,776.97 barns/cc.
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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: |
03.05.03.01 (03)Sulfides - Sulfosalts |
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(03.05)where 2.5 < z/y < 3 - (A+)i (A++)j [By Cz], A=metals, B=semi-metals, C=non-metals |
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(03.05.03)Dana Group |
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03.05.03.01 Sterryite Ag2Pb10(Sb,As)12S29 Pbam 2/m 2/m 2/m |
| Strunz Class: |
02.LB.65 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf |
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02.L - Unclassified Sulfosalts |
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02.LB -With essential Pb |
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02.LB.65 Sterryite Ag2Pb10(Sb,As)12S29 Pbam 2/m 2/m 2/m |
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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 - 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
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Print or Cut-and-Paste your Sterryite Specimen Label here :
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Sterryite
Ag2Pb10(Sb,As)12S29
Dana No: 03.05.03.01 Strunz No: 02.LB.65
Locality:
Notes:
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