Stilleite Mineral Data

Stilleite Mineral Data
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General Stilleite Information

Help on Chemical Formula: Chemical Formula: ZnSe
Help on Composition: Composition: Molecular Weight = 144.35 gm
   Zinc      45.30 %  Zn
   Selenium  54.70 %  Se
            ______ 
            100.00 % 
Help on Empirical Formula: Empirical Formula: ZnSe
Help on Environment: Environment: Included in linnaeite and intermixed with other selenides.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1956
Help on Locality: Locality: Kasolo (Shinkolobwe), Katanga (Shaba), Congo (Zaire). Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Hans Stille (1876-1966), distinguished German geologist.
Help on Name Pronunciation: Name Pronunciation: Stilleite + Pronunciation Say STILLEITE
Help on Synonym: Synonym: ICSD 67791
  PDF 37-1463
 

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Stilleite Crystallography
Help on Cell Dimensions: Cell Dimensions: a = 5.67, Z = 4; V = 182.28 Den(Calc)= 5.26
Help on Crystal System: Crystal System: Isometric - HextetrahedralH-M Symbol (4 3m) Space Group: F43m
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.273(1), 2.003(0.7), 1.707(0.44),
Click Here for Large Stilleite Structure Window Crystal Structure:

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drag1 - LMB Manipulate Structure
drag2 - RMB Resize/Rotate
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 Help on Above


Wyckoff R W G , Crystal Structures , 1 (1963) p.85-237, Second edition. Interscience Publishers, New York, New York, Note: ZnS structure, sphalerite structure

 

Physical Properties of Stilleite

Help on Color: Color: Gray.
Help on Density: Density: 5.42
Help on Diaphaneity: Diaphaneity: Translucent to Opaque
Help on Habit: Habit: Inclusions - Generally found as inclusions in other minerals.
Help on Habit: Habit: Microscopic Crystals - Crystals visible only with microscopes.
Help on Hardness: Hardness: 5 - Apatite
Help on Luster: Luster: Metallic
 

Optical Properties of Stilleite

Help on Optical Data: Optical Data: Isotropic, n=2.5.
Help on RL Color: RL Color: Resembles tetrahedrite without the olive-brown or greenish blue hues.
 

Calculated Properties of Stilleite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=4.66 gm/cc
note: Specific Gravity of Stilleite =5.26 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.06
Boson Index = 0.94
Help on Photoelectric: Photoelectric: PEStilleite = 67.66 barns/electron
U=PEStilleite x rElectron Density= 315.57 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Stilleite is Not Radioactive
 

Stilleite Classification
Help on Dana Class: Dana Class: 02.08.02.02 (02)Sulfides - Including Selenides and Tellurides
  (02.08)where Am Bn Xp, with (m+n):p=1:1
  (02.08.02)Sphalerite Group (Isometric: F4-3m)
 
02.08.02.01 Sphalerite (Zn,Fe)S F43m 4 3m
 
02.08.02.02 Stilleite ZnSe F43m 4 3m
 
02.08.02.03 Metacinnabar HgS F43m 4 3m
 
02.08.02.04 Tiemannite HgSe F43m 4 3m
 
02.08.02.05 Coloradoite HgTe F43m 4 3m
 
02.08.02.06 Hawleyite CdS F43m 4 3m
 
02.08.02.07 Rudashevskyite! (Fe,Zn)S F43m 4 3m
Help on Strunz Class: Strunz Class: 02.CB.05a 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf
  02.C - Metal Sulfides, M:S = 1:1 (and similar)
  02.CB -With Zn, Fe, Cu, Ag, Au, etc
 
02.CB.05a Hawleyite CdS F43m 4 3m
 
02.CB.05a Coloradoite HgTe F43m 4 3m
 
02.CB.05a Metacinnabar HgS F43m 4 3m
 
02.CB.05a Sphalerite (Zn,Fe)S F43m 4 3m
 
02.CB.05a Tiemannite HgSe F43m 4 3m
 
02.CB.05a Stilleite ZnSe F43m 4 3m
 
02.CB.05a Rudashevskyite! (Fe,Zn)S F43m 4 3m
 

Other Stilleite 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 Stilleite :
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
15 - WWW-MINCRYST

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

Stilleite

ZnSe
Dana No: 02.08.02.02 Strunz No: 02.CB.05a
Locality:

 

Notes: