Stilleite Mineral Data + 
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- 2.8.2.1 Sphalerite (Zn,Fe)S F43m 4 3m
- 2.8.2.2 Stilleite ZnSe F43m 4 3m
- 2.8.2.3 Metacinnabar HgS F43m 4 3m
- 2.8.2.4 Tiemannite HgSe F43m 4 3m
- 2.8.2.5 Coloradoite HgTe F43m 4 3m
- 2.8.2.6 Hawleyite CdS F43m 4 3m
- II/C.01-10 Sphalerite (Zn,Fe)S F43m 4 3m
- II/C.01-20 Hawleyite CdS F43m 4 3m
- II/C.01-30 Metacinnabar HgS F43m 4 3m
- II/C.01-40 Stilleite ZnSe F43m 4 3m
- II/C.01-50 Tiemannite HgSe F43m 4 3m
- II/C.01-60 Coloradoite HgTe F43m 4 3m
- II/C.01-70 Polhemusite (Zn,Hg)S P 4/n 4/m
General Stilleite Information |
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 Chemical Formula: |
ZnSe | ||
| Composition: |
Molecular Weight = 144.35 gm | ||
| Zinc 45.30 % Zn | |||
| Selenium 54.70 % Se | |||
| ______ | |||
| 100.00 % | |||
| Empirical Formula: |
ZnSe | ||
| Environment: |
Included in linnaeite and intermixed with other selenides. | ||
| IMA Status: |
Valid Species (Pre-IMA) 1956 | ||
| Locality: |
Kasolo (Shinkolobwe), Katanga (Shaba), Congo (Zaire). Link to MinDat.org Location Data. | ||
| Name Origin: |
Named for Hans Stille (1876-1966), distinguished German geologist. | ||
| Synonym: |
ICSD 67791 | ||
| PDF 37-1463 | |||
Search for Stilleite Images | |||
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Images:
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Stilleite Crystallography |
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| Cell Dimensions: |
a = 5.67, Z = 4; V = 182.28 Den(Calc)= 5.26 | ||
| Crystal System: |
Isometric - HextetrahedralH-M Symbol (4 3m) Space Group: F43m | ||
| X Ray Diffraction: |
By Intensity(I/Io): 3.273(1), 2.003(0.7), 1.707(0.44), | ||
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Crystal Structure:
Mouse |
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Physical Properties of Stilleite |
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| Color: |
Gray. | ||
| Density: |
5.42 | ||
| Diaphaniety: |
Translucent to Opaque | ||
| Habit: |
Inclusions - Generally found as inclusions in other minerals. | ||
| Habit: |
Microscopic Crystals - Crystals visible only with microscopes. | ||
| Hardness: |
5 - Apatite | ||
| Luster: |
Metallic | ||
Optical Properties of Stilleite |
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| Optical Data: |
Isotropic, n=2.5. | ||
| RL Color: |
Resembles tetrahedrite without the olive-brown or greenish blue hues. | ||
Calculated Properties of Stilleite |
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| Electron Density: |
relectron=4.66 gm/cc |
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| Fermion Index |
Fermion Index = 0.06014 Boson Index = 0.93986 |
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| Photoelectric: |
PEStilleite = 67.66 barns/electron |
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Stilleite is Not Radioactive |
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Stilleite Classification |
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| Dana Class: |
2.8.2.2 (2)Sulfides - Including Selenides and Tellurides | ||
| (2.8)where Am Bn Xp, with (m+n):p=1:1 | |||
| (2.8.2)Sphalerite Group (Isometric: F4¯3m) | |||
| Strunz Class: |
II/C.01-40 II - Sulfides and sulphosalts | ||
| II/C - Sulfides with metal: sulfur, selenium and tellurium = 1:1 | |||
| II/C.01 - Sphalerite group and related compounds (with Leutite) | |||
Other Stilleite Information |
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| References: |
NAME( AntBidBlaNic1) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic1) | ||
| See Also: |
Links to other databases for Stilleite : 1 -Am. Min. Crystal Structure Database 2 -Athena 3 - EUROmin Project 4 -Google Images 5 -Google Scholar 6 -Handbook of Mineralogy (UofA) 7 -MinDAT 8 -MinMax(Deutsch) 9 -MinMax(English) 10 -Mineralienatlas (Deutsch) 11 -QUT Mineral Atlas 12 - WWW-MINCRYST 13 -École des Mines de Paris Search for Stilleite using: Visit our Advertisers for Stilleite : Translate Stilleite Mineral Data : Ask about Stilleite here : Print or Cut-and-Paste your Stilleite Specimen Label here :
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