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Nevskite Mineral Data
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General Nevskite Information
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 Chemical Formula: |
Bi(Se,S) |
| Composition: |
Molecular Weight = 262.35 gm |
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Bismuth 71.69 % Bi |
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Selenium 27.09 % Se |
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Sulfur 1.22 % S |
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______ |
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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 |
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PDF 37-442 |
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Nevskite Image |
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Images:
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Ingodite Telluronevskite Nevskite
Comments: Intergrown metallic grains of ingodite, telluronevskite, and nevskiite.
Location: Poruba pod Vihorlatom, Vihorlat Mountains, Kosice Slovak Republic.
Scale: Specimen Size 2.8 × 1.7 × 1 cm.
© Fabre Minerals |
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Nevskite Crystallography
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| 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 Scalenohedral H-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), |
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Physical Properties of Nevskite
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| 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 |
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Optical Properties of Nevskite
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| RL Anisotrophism: |
Isotropic in basal sections, distinctly anisotropic in perpendicular sections, weak brown to gray. |
| RL Color: |
White with creamy tinge. |
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Calculated Properties of Nevskite
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| Electron Density: |
Bulk Density (Electron Density)=6.12 gm/cc
note: Specific Gravity of Nevskite =7.51 gm/cc.
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| 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.
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Nevskite is Not Radioactive |
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Nevskite Classification
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| Dana Class: |
02.08.20.03 (02)Sulfides - Including Selenides and Tellurides |
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(02.08)where Am Bn Xp, with (m+n):p=1:1 |
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(02.08.20)Tsumoite Group (Trigonal: P-3m1) |
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02.08.20.01 Tsumoite BiTe P 3m1 3 2/m |
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02.08.20.02 Sulphotsumoite Bi3Te2S P 3m1 3 2/m |
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02.08.20.03 Nevskite Bi(Se,S) P 3m1 3 2/m |
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02.08.20.04 Ingodite Bi(S,Te) P 3m1 3 2/m |
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02.08.20.05 Telluronevskite! Bi3TeSe2 P 3m1 3 2/m |
| Strunz Class: |
02.DC.05b 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf |
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02.D - Metal Sulfides, M:S = 3:4 and 2:3 |
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02.DC -Variable M:S |
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02.DC.05b Ingodite Bi(S,Te) P 3m1 3 2/m |
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02.DC.05b Nevskite Bi(Se,S) P 3m1 3 2/m |
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02.DC.05b Sulphotsumoite Bi3Te2S P 3m1 3 2/m |
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02.DC.05b Tsumoite BiTe P 3m1 3 2/m |
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02.DC.05b Telluronevskite! Bi3TeSe2 P 3m1 3 2/m |
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Other Nevskite Information
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| 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
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Print or Cut-and-Paste your Nevskite Specimen Label here :
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Nevskite
Bi(Se,S)
Dana No: 02.08.20.03 Strunz No: 02.DC.05b
Locality:
Notes:
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