Vihorlatite Mineral Data (original) (raw)

General Vihorlatite Information

Help on Chemical Formula: Chemical Formula:

Bi24Se17Te4

Help on Composition: Composition:

Molecular Weight = 6,525.04 gm

Bismuth 70.14 % Bi

Tellurium 8.02 % Te

Selenium 21.06 % Se

Sulfur 0.79 % S

______

100.00 %

Help on Empirical Formula: Empirical Formula:

Bi21.9Se17.4Te4.1S1.6

Help on Environment: Environment:

Occurs in quartz-opal veinlets or secondary quartzites as anhedral grains. Tetradymite group.

Help on IMA Status: IMA Status:

Approved IMA 1988 (Dana # Added)

Help on Locality: Locality:

Poruba, Vihorlat Mountains, Slovakia. Link to MinDat.org Location Data.

Help on Name Origin: Name Origin:

Named for the locality.

Help on Synonym: Synonym:

IMA1988-047

Vihorlatite Image

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Vihorlatite Crystallography

Help on Axial Ratios: Axial Ratios:

a:c = 1:20.33086

Help on Cell Dimensions: Cell Dimensions:

a = 4.2797, c = 87.01, Z = 1; V = 1,380.15 Den(Calc)= 7.85

Help on Crystal System: Crystal System:

Trigonal - Hexagonal ScalenohedralH-M Symbol (3 2/m) Space Group: P 3m1

Help on X Ray Diffraction: X Ray Diffraction:

By Intensity(I/Io): 3.116(1)(1.0.15), 2.282(0.755)(0.1.30), 4.55(0.554)(0.0.19),1.934(0.428)(1.1.19), 1.767(0.315)(0.2.15),

Click Here for Large Vihorlatite Structure Window Crystal Structure:

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| | Skala R , Ondrus P , Veselovky F , Taborsky Z , Duda R , European Journal of Mineralogy , 19 (2007) p.255-265, Vihorlatite, Bi24Se17Te4, a new mineral of the tetradymite group from Vihorlat Mts,, Slovakia, Locality: Vihorlat Mountains, eastern Slovakia | | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |

Physical Properties of Vihorlatite

Help on Color: Color:

Gray.

Help on Density: Density:

8

Help on Diaphaneity: Diaphaneity:

Opaque

Help on Habit: Habit:

Anhedral Grains - Granular minerals without the expression of crystal shapes

Help on Habit: Habit:

Triangular Crystals - Occurs as triangular shaped crystals.

Help on Luster: Luster:

Metallic

Calculated Properties of Vihorlatite

Help on Electron Density: Electron Density:

Bulk Density (Electron Density)=6.37 gm/cc
note: Specific Gravity of Vihorlatite =7.85 gm/cc.

Help on Fermion Index: Fermion Index:

Fermion Index = 0.02
Boson Index = 0.98

Help on Photoelectric: Photoelectric:

PEVihorlatite =1,439.18 barns/electron
U=PEVihorlatite x rElectron Density=9,169.95 barns/cc.

Help on Radioactivity: Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Vihorlatite is Not Radioactive

Vihorlatite Classification

Help on Dana Class: Dana Class:

02.11.07.07 (02)Sulfides - Including Selenides and Tellurides

(02.11)where Am Bn Xp, with (m+n):p=2:3

(02.11.07)Tetradymite Group (Trigonal: R-3m)

02.11.07.01 Tetradymite Bi2Te2S R 3m 3 2/m

02.11.07.02 Tellurobismuthite Bi2Te3 R 3m 3 2/m

02.11.07.03 Tellurantimony Sb2Te3 R 3m 3 2/m

02.11.07.04 Paraguanajuatite Bi2(Se,S)3 R 3m 3 2/m

02.11.07.05 Kawazulite Bi2(Te,Se,S)3 R 3m 3 2/m

02.11.07.06 Skippenite Bi2Se2(Te,S) R 3m 3 2/m

02.11.07.07 Vihorlatite! Bi24Se17Te4 P 3m1 3 2/m

Help on Strunz Class: Strunz Class:

02.DC.05e 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

02.DC.05e Baksanite! Bi6Te2S3 P 3m1 3 2/m

02.DC.05e Sztrokayite* Bi3TeS2 Trig ? Trig

02.DC.05e Protojoseite* Bi4TeS2(?) R 3m 3 2/m

02.DC.05e Vihorlatite! Bi24Se17Te4 P 3m1 3 2/m

Other Vihorlatite Information

Help on References: References:

NAME( AmMin, v93:254) PHYS. PROP.(AmMin, v93:254)

Help on See Also: See Also:

Links to other databases for Vihorlatite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - GeoScienceWorld
4 - Google Images
5 - Google Scholar
6 - MinDAT
7 - Mineralienatlas (Deutsch)
8 - Online Mineral Museum
9 - QUT Mineral Atlas
10 - Ruff.Info

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

Vihorlatite

Bi24Se17Te4
Dana No: 02.11.07.07 Strunz No: 02.DC.05e
Locality:

Notes: