Sudovikovite Mineral Data

General Sudovikovite Information

Chemical Formula:

PtSe2

Composition:

Molecular Weight = 353.00 gm

Platinum 55.26 % Pt

Selenium 44.74 % Se

______

100.00 %

Empirical Formula:

PtSe₂

Environment:

In metasomatites.

IMA Status:

Approved IMA 1997 (Dana # Added)

Locality:

Srednaya Palma U-V deposit 30 km north of Kizhy Island, in southern Karelia, Russia. Link to MinDat.org Location Data.

Name Origin:

For N. G. Sudovikov (1903-1966), noted Russian petrologist.

Name Pronunciation:

Sudovikovite + Pronunciation

Synonym:

ICSD 43295

IMA1995-009

PDF 18-970

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Sudovikovite Crystallography

Axial Ratios:

a:c = 1:1.34691

Cell Dimensions:

a = 3.73, c = 5.024, Z = 1; V = 60.53 Den(Calc)= 9.68

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/I_o): 2.715(1), 1.859(0.5), 1.983(0.5),

Crystal Structure:

Mouse
drag1 - LMB Manipulate Structure
drag2 - RMB Resize/Rotate
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S - Stereo Pair on/off
H - Help Screen
I - Data Info
A - Atoms On/Off
P - Polyhedra On/Off
B - Bonds On/Off
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Wyckoff R W G , Crystal Structures , 1 (1963) p.239-444, Second edition. Interscience Publishers, New York, New York, Note: cadmium iodide structure

Physical Properties of Sudovikovite

Color:

Yellow, White.

Density:

9.63 - 9.7, Average = 9.66

Diaphaneity:

Opaque

Habit:

Anhedral Grains - Granular minerals without the expression of crystal shapes

Habit:

Microscopic Crystals - Crystals visible only with microscopes.

Hardness:

2-2.5 - Gypsum-Finger Nail

Luster:

Metallic

Optical Properties of Sudovikovite

RL Anisotrophism:

Moderate to strong, rose-yellow to dark gray-lilac.

RL Bireflectance:

Strong.

RL Color:

White.

RL Pleochroism:

Light yellow to light lilac.

Reflectivity

**Standardized Intensity (100%) Reflection Spectra of Sudovikovite in Air**
λ	R₁	R₂	∑ R₁(λ)	∑ R₂(λ)
470 nm	48.40	35.10
546 nm	48.30	35.10
589 nm	49.10	35.30
650 nm	50.80	36.50

**Calculated Relative Intensity Colors of Sudovikovite in Air**
Relative Intensity	0%	30%	60%	90%	100%	120%	150%	180%	210%	240%	250%
R₁
R₂

Calculated Properties of Sudovikovite

Electron Density:

Bulk Density (Electron Density)=8.01 gm/cc
note: Specific Gravity of Sudovikovite =9.68 gm/cc.

Fermion Index:

Fermion Index = 0.22
Boson Index = 0.78

Photoelectric:

PE_Sudovikovite= 903.38 barns/electron
U=PE_Sudovikovite x rElectron Density=7,233.58 barns/cc.

Radioactivity:

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

Sudovikovite Classification

Dana Class:

02.12.14.07 (02)Sulfides - Including Selenides and Tellurides

(02.12)where Am Bn Xp, with (m+n):p=1:2

(02.12.14)Melonite Group (Trigonal: P-3m1) AX2 type

02.12.14.01 Melonite NiTe2 P 3m1 3 2/m

02.12.14.02 Kitkaite NiTeSe P 3m1 3 2/m

02.12.14.03 Moncheite (Pt,Pd)(Te,Bi)2 P 3m1 3 2/m

02.12.14.04 Merenskyite (Pd,Pt)(Te,Bi)2 P 3m1 3m

02.12.14.05 Berndtite SnS2 P 3m1 3 2/m

02.12.14.06 Shuangfengite IrTe2 P 3m1 3 2/m

02.12.14.07 Sudovikovite! PtSe2 P 3m1 3 2/m

Strunz Class:

02.EA.20 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf

02.E - Metal Sulfides, M:S £ 1:2

02.EA -M:S = 1:2

02.EA.20 Berndtite SnS2 P 3m1 3 2/m

02.EA.20 Merenskyite (Pd,Pt)(Te,Bi)2 P 3m1 3m

02.EA.20 Melonite NiTe2 P 3m1 3 2/m

02.EA.20 Kitkaite NiTeSe P 3m1 3 2/m

02.EA.20 Moncheite (Pt,Pd)(Te,Bi)2 P 3m1 3 2/m

02.EA.20 Sudovikovite! PtSe2 P 3m1 3 2/m

02.EA.20 Shuangfengite IrTe2 P 3m1 3 2/m

Other Sudovikovite Information

References:

NAME( MinRec) PHYS. PROP.(Am.Min.,Vol.83,p1118,1998) OPTIC PROP.(MinRec, v 29, p 477)

See Also:

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

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

Sudovikovite

PtSe2
Dana No: 02.12.14.07 Strunz No: 02.EA.20
Locality:

Notes: