Sterryite Mineral Data

General Sterryite Information

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.

Name Pronunciation:

Sterryite + Pronunciation

Synonym:

IMA1966-020

Sterryite Image

Images:

Sterryite

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

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

$Help on X Ray Diffraction:$ X Ray Diffraction:

By Intensity(I/I_o): 3.26(1), 3.68(0.9), 2.836(0.7),

Physical Properties of Sterryite

Cleavage:

{hk0} Perfect

Color:

Black.

Density:

Diaphaneity:

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

RL Color:

White.

RL Pleochroism:

Strong, from gray to white.

Calculated Properties of Sterryite

Electron Density:

Bulk Density (Electron Density)=5.18 gm/cc
note: Specific Gravity of Sterryite =6.07 gm/cc.

Fermion Index:

Fermion Index = 0.1
Boson Index = 0.9

Photoelectric:

PE_Sterryite= 922.38 barns/electron
U=PE_Sterryite x rElectron Density=4,776.97 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Sterryite is Not Radioactive

Sterryite Classification

Dana Class:

03.05.03.01 (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

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

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

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

Search for Sterryite using:

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Mineral News Website Link
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Ask about Sterryite here :
Ask-A-Mineralogist from the Mineralogical Society of America
Mindat.org's Discussion Groups
Original Rockhounds Discussion Group
Rockhounds Discussion Group on Yahoo Groups
Mineral Discussion Forum from Fabre Minerals - also available in Español

Print or Cut-and-Paste your Sterryite Specimen Label here :

Sterryite

Ag2Pb10(Sb,As)12S29
Dana No: 03.05.03.01 Strunz No: 02.LB.65
Locality:

Notes: