Brezinaite Mineral Data

Brezinaite Mineral Data
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General Brezinaite Information

Help on Chemical Formula: Chemical Formula: Cr3S4
Help on Composition: Composition: Molecular Weight = 284.25 gm
   Chromium  54.88 %  Cr
   Sulfur    45.12 %  S
            ______ 
            100.00 % 
Help on Empirical Formula: Empirical Formula: Cr3S4
Help on Environment: Environment: In the metal matrix and contiguous to silicate inclusions (Tucson iron meteorite).
Help on IMA Status: IMA Status: Approved IMA 1969
Help on Locality: Locality: In the Tucson and New Baltimore iron meteorites. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: For Aristides Brezina (1848-1909), past Director of the Mineralogy-Petrology Section of the Natural History Museum, Vienna, Austria.
Help on Name Pronunciation: Name Pronunciation: Brezinaite + Pronunciation Say BREZINAITE
 

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Brezinaite Crystallography
Help on Axial Ratios: Axial Ratios: a:b:c =1.7401:1:3.2905
Help on Cell Dimensions: Cell Dimensions: a = 5.96, b = 3.425, c = 11.27, Z = 2; beta = 91.533° V = 229.97 Den(Calc)= 4.10
Help on Crystal System: Crystal System: Monoclinic - PrismaticH-M Symbol (2/m) Space Group: I2/m
Click Here for Large Brezinaite Structure Window Crystal Structure:

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drag1 - LMB Manipulate Structure
drag2 - RMB Resize/Rotate
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H - Help Screen
I - Data Info
A - Atoms On/Off
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B - Bonds On/Off
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Jellinek F , Acta Crystallographica , 10 (1957) p.620-628, The structures of the chromium sulphides, Locality: synthetic

 

Physical Properties of Brezinaite

Help on Color: Color: Brownish gray, Gray.
Help on Density: Density: 4.12
Help on Diaphaneity: Diaphaneity: Opaque
Help on Hardness: Hardness: 3.5-4.5 - Between Copper Penny and Fluorite-Apatite
Help on Luster: Luster: Metallic - Dull
 

Optical Properties of Brezinaite

Help on RL Color: RL Color: Brownish gray.
 

Calculated Properties of Brezinaite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.92 gm/cc
note: Specific Gravity of Brezinaite =4.10 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.05
Boson Index = 0.95
Help on Photoelectric: Photoelectric: PEBrezinaite = 14.86 barns/electron
U=PEBrezinaite x rElectron Density= 58.30 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Brezinaite is Not Radioactive
 

Brezinaite Classification
Help on Dana Class: Dana Class: 02.10.02.02 (02)Sulfides - Including Selenides and Tellurides
  (02.10)where Am Bn Xp, with (m+n):p=3:4
  (02.10.02)Wilkmanite Group
 
02.10.02.01 Wilkmanite Ni3Se4 I2/m 2/m
 
02.10.02.02 Brezinaite Cr3S4 I2/m 2/m
 
02.10.02.03 Heideite (Fe,Cr)1x(Ti,Fe)2S4 I2/m 2/m
 
02.10.02.04 Kingstonite! (Rh,Ir,Pt)3S4 C 2/m 2/m
Help on Strunz Class: Strunz Class: 02.DA.15 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf
  02.D - Metal Sulfides, M:S = 3:4 and 2:3
  02.DA -M:S = 3:4
 
02.DA.15 Brezinaite Cr3S4 I2/m 2/m
 
02.DA.15 Heideite (Fe,Cr)1x(Ti,Fe)2S4 I2/m 2/m
 
02.DA.15 Wilkmanite Ni3Se4 I2/m 2/m
 

Other Brezinaite 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 Brezinaite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - Google Images
6 - Google Scholar
7 - Handbook of Mineralogy (MinSocAm)
8 - Handbook of Mineralogy (UofA)
9 - MinDAT
10 - MinMax(Deutsch)
11 - MinMax(English)
12 - Mineralienatlas (Deutsch)
13 - QUT Mineral Atlas
14 - Ruff.Info

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

Brezinaite

Cr3S4
Dana No: 02.10.02.02 Strunz No: 02.DA.15
Locality:

 

Notes: