Mineralogy Database

Sterryite Mineral Data

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General Sterryite Information

Help on Chemical  Formula: Chemical Formula: Ag2Pb10(Sb,As)12S29
Help on Composition: 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 % 
Help on Empirical Formula: Empirical Formula: Ag2Pb10Sb9As3S29
Help on Environment: Environment: Of hydrothermal origin, in marble.
Help on IMA Status: IMA Status: Approved IMA 1967
Help on Locality: Locality: Taylor pit, Madoc, Huntingdon township, Hastings County, Ontario, Canada. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for T. Sterry Hunt (1826-1892), first mineralogist with the Geological Survey of Canada.
Help on Name Pronunciation: Name Pronunciation: Sterryite + Pronunciation Say STERRYITE
Help on Synonym: Synonym: IMA1966-020

Sterryite Image

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Comments: Back prismatic sterryite microcrystals and massive in white calcite.
Location: Taylor Pit, Madoc, Ontario, Canada. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Sterryite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =0.6682:1:0.0959
Help on Cell Dimensions: Cell Dimensions: a = 28.48, b = 42.62, c = 4.09, Z = 4; V = 4,964.51 Den(Calc)= 6.07
Help on Crystal System: Crystal System: Orthorhombic - Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: Pbam
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.26(1), 3.68(0.9), 2.836(0.7),

Physical Properties of Sterryite

Help on Cleavage: Cleavage: {hk0} Perfect
Help on Color: Color: Black.
Help on Density: Density: 6
Help on Diaphaneity: Diaphaneity: Opaque
Help on Habit: Habit: Plumose - "Mica-like" minerals forming aggregates of plume-like forms.
Help on Hardness: Hardness: 3.5 - Copper Penny
Help on Luster: Luster: Metallic
Help on Streak: Streak: metallic

Optical Properties of Sterryite

Help on RL Color: RL Color: White.
Help on RL Pleochroism: RL Pleochroism: Strong, from gray to white.

Calculated Properties of Sterryite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=5.18 gm/cc
note: Specific Gravity of Sterryite =6.07 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.1
Boson Index = 0.9
Help on Photoelectric: Photoelectric: PESterryite = 922.38 barns/electron
U=PESterryite x rElectron Density=4,776.97 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Sterryite is Not Radioactive

Sterryite Classification

Help on  Dana Class: Dana Class: (03)Sulfides - Sulfosalts
  (03.05)where 2.5 < z/y < 3 - (A+)i (A++)j [By Cz], A=metals, B=semi-metals, C=non-metals
  (03.05.03)Dana Group Sterryite Ag2Pb10(Sb,As)12S29 Pbam 2/m 2/m 2/m
Help on  Strunz Class: Strunz Class: 02.LB.65 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf
  02.L - Unclassified Sulfosalts
  02.LB -With essential Pb
02.LB.65 Sterryite Ag2Pb10(Sb,As)12S29 Pbam 2/m 2/m 2/m

Other Sterryite Information

Help on References: References: NAME( AntBidBlaNic1) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic1)
Help on See Also: 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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Dana No: Strunz No: 02.LB.65





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