Stilleite Mineral Data (original) (raw)

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

Search for Stilleite Images

Click Here To Search Images:

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:

Mouse
drag1 - LMB Manipulate Structure
drag2 - RMB Resize/Rotate
Keyboard
S - Stereo Pair on/off
H - Help Screen
I - Data Info
A - Atoms On/Off
P - Polyhedra On/Off
B - Bonds On/Off
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

Search for Stilleite using:

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

Visit our Advertisers for Stilleite :

A Bijoux Google Search for Stilleite
Adam's Minerals Google Search for Stilleite
Cape Minerals Google Search for Stilleite
Dakota Matrix Minerals Google Search for Stilleite
Excalibur Mineral Corp. Google Search for Stilleite
Exceptional Minerals Google Search for Stilleite
John Betts Fine Minerals Search for Stilleite
McDougall Minerals Google Search for Stilleite
Mineral News Website Link
Rock and Mineral Shows Google Search for Stilleite
Weinrich Minerals, Inc. Google Search for Stilleite

Ask about Stilleite 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�ol

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: