General Nevskite Information Chemical Formula: |
Bi(Se,S) |
Composition: |
Molecular Weight = 262.35 gm |
|
Bismuth 71.69 % Bi |
|
Selenium 27.09 % Se |
|
Sulfur 1.22 % S |
|
______ |
|
100.00 % |
Empirical Formula: |
Bi0.9Se0.9S0.1 |
Environment: |
In quartz-cassiterite veins. |
IMA Status: |
Approved IMA 1984 |
Locality: |
Nevskii tin deposit, northeastern Russia. Link to MinDat.org Location Data. |
Name Origin: |
Named for the locality. |
Name Pronunciation: |
Nevskite |
Synonym: |
ICSD 79019 |
|
PDF 37-442 |
| | Nevskite Image
Images:
|
|
Nevskite Crystallography Axial Ratios: |
a:c = 1:5.43245 |
Cell Dimensions: |
a = 4.197, c = 22.8, Z = 6; V = 347.81 Den(Calc)= 7.51 |
Crystal System: |
Trigonal - Hexagonal ScalenohedralH-M Symbol (3 2/m) Space Group: P 3m1 |
X Ray Diffraction: |
By Intensity(I/Io): 3.06(1), 2.24(0.4), 3.59(0.4), |
Crystal Structure:
|
Mouse
|
| Physical Properties of Nevskite Cleavage: |
{0001} Perfect |
Color: |
Lead gray. |
Diaphaneity: |
Opaque |
Habit: |
Irregular Grains - Occurs as splotchy, anhedral crystals forming inclusions in other minerals or rocks. |
Hardness: |
3 - Calcite |
Luster: |
Metallic |
| Optical Properties of Nevskite RL Anisotrophism: |
Isotropic in basal sections, distinctly anisotropic in perpendicular sections, weak brown to gray. |
RL Color: |
White with creamy tinge. |
| Calculated Properties of Nevskite Electron Density: |
Bulk Density (Electron Density)=6.12 gm/cc |
note: Specific Gravity of Nevskite =7.51 gm/cc. Fermion Index: |
Fermion Index = 0.02 |
Boson Index = 0.98 Photoelectric: |
PENevskite =1,439.09 barns/electron |
U=PENevskite x rElectron Density=8,807.45 barns/cc. Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) |
Nevskite is Not Radioactive | Nevskite Classification Dana Class: |
02.08.20.03 (02)Sulfides - Including Selenides and Tellurides |
|
(02.08)where Am Bn Xp, with (m+n):p=1:1 |
|
(02.08.20)Tsumoite Group (Trigonal: P-3m1) |
|
|
|
|
|
Strunz Class: |
02.DC.05b 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf |
|
02.D - Metal Sulfides, M:S = 3:4 and 2:3 |
|
02.DC -Variable M:S |
|
|
|
|
|
| Other Nevskite Information References: |
NAME( AntBidBlaNic2) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic1) |
See Also: |
Links to other databases for Nevskite : |
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 Nevskite using: Visit our Advertisers for Nevskite : A Bijoux Google Search for NevskiteAdam's Minerals Google Search for Nevskite Cape Minerals Google Search for Nevskite Dakota Matrix Minerals Google Search for Nevskite Excalibur Mineral Corp. Google Search for Nevskite Exceptional Minerals Google Search for Nevskite John Betts Fine Minerals Search for Nevskite McDougall Minerals Google Search for Nevskite Mineral News Website Link Rock and Mineral Shows Google Search for Nevskite Weinrich Minerals, Inc. Google Search for Nevskite Ask about Nevskite here : Print or Cut-and-Paste your Nevskite Specimen Label here :
| |
|
| |