Mineralogy Database

Tsnigriite Mineral Data

Search Webmineral :

General Tsnigriite Information

Help on Chemical  Formula: Chemical Formula: Ag9SbTe3(S,Se)3
Help on Composition: Composition: Molecular Weight = 1,595.01 gm
   Silver     60.87 %  Ag
   Antimony    7.63 %  Sb
   Tellurium  24.00 %  Te
   Selenium    2.48 %  Se
   Sulfur      5.03 %  S
             100.00 % 
Help on Empirical Formula: Empirical Formula: Ag9SbTe3S2.5Se0.5
Help on Environment: Environment: Au-Ag deposits.
Help on IMA Status: IMA Status: Approved IMA 1992
Help on Locality: Locality: Vyskovol'tnoye, Tian Sham, Uzbekistan. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named from the initials of the Russian name for the Central Scientice-Research Institute of Geological Prospecting in Moscow.
Help on Name Pronunciation: Name Pronunciation: Tsnigriite + Pronunciation Say TSNIGRIITE

Tsnigriite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =1.0721:1:2.3516
Help on Cell Dimensions: Cell Dimensions: a = 8.89, b = 8.292, c = 19.5, Z = 4; beta = 97.02° V = 1,426.68 Den(Calc)= 7.43
Help on Crystal System: Crystal System: Monoclinic Space Group: P 2/m,Pm
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.2(1), 3.78(0.7), 4.26(0.5),

Physical Properties of Tsnigriite

Help on Color: Color: Dark gray.
Help on Density: Density: 7.38
Help on Diaphaneity: Diaphaneity: Opaque
Help on Habit: Habit: Anhedral Grains - Granular minerals without the expression of crystal shapes
Help on Habit: Habit: Microscopic Crystals - Crystals visible only with microscopes.
Help on Hardness: Hardness: 3.5 - Copper Penny
Help on Luster: Luster: Metallic

Calculated Properties of Tsnigriite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=6.40 gm/cc
note: Specific Gravity of Tsnigriite =7.43 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.02
Boson Index = 0.98
Help on Photoelectric: Photoelectric: PETsnigriite = 274.85 barns/electron
U=PETsnigriite x rElectron Density=1,759.18 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Tsnigriite is Not Radioactive

Tsnigriite Classification

Help on  Dana Class: Dana Class: (03)Sulfides - Sulfosalts
  (03.01)where z/y > 4 - (A+)i (A++)j [By Cz], A=metals, B=semi-metals, C=non-metals
  (03.01.12)Dana Group Tsnigriite Ag9SbTe3(S,Se)3 P 2/m,Pm Mono
Help on  Strunz Class: Strunz Class: 02.LA.55 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf
  02.L - Unclassified Sulfosalts
  02.LA -Without essential Pb
02.LA.55 Tsnigriite Ag9SbTe3(S,Se)3 P 2/m,Pm Mono

Other Tsnigriite Information

Help on References: References: NAME( Dana8) PHYS. PROP.(Am.Min.,Vol.79,p389,1994)
Help on See Also: See Also: Links to other databases for Tsnigriite :
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 Tsnigriite using:

Web webmineral.com
[AOL] [Bing] [Dog Pile] [GeoScienceWorld] [HotBot] [Ixquick] [Lycos] [MAMMA] [Scirus] [Teoma] [WebCrawler] [Wikipedia] [YAHOO]

Visit our Advertisers for Tsnigriite :

Dakota Matrix
Excalibur Minerals
Exceptional Minerals
Hudson Insitute
John Betts Fine Minerals
Mc Dougall Minerals
Mineral News
Rock and Mineral Shows
Weinrich Minerals, Inc.

Ask about Tsnigriite 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 Espa´┐Żol

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


Dana No: Strunz No: 02.LA.55