Vasilite Mineral Data

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General Vasilite Information

Chemical Formula:

(Pd,Cu)16(S,Te)7

Composition:

Molecular Weight = 1,870.08 gm

Copper 9.68 % Cu

Tellurium 2.52 % Te

Palladium 77.11 % Pd

Sulfur 10.68 % S

______

100.00 %

Empirical Formula:

Pd_13.55Cu_2.85S_6.23Te_0.37

Environment:

Heavy-mineral concentrates obtained from Priabonian clastic sediments.

IMA Status:

Approved IMA 1990

Locality:

Novoseltsi, Bourgas region, southeastern Bulgaria Link to MinDat.org Location Data.

Name Origin:

Named for Vasil Atanasov, Associate Professor of mineralogy, Higher Institute of Mining and Geology, Sofia, Bulgaria.

Name Pronunciation:

Vasilite

Synonym:

ICSD 32053

IMA1989-043

PDF 43-806

Vasilite Image

Images:

Vasilite Osmium Cooperite Vysotskite

Comments: BSE image taken with a SEM of the sulfide-dominant microparagenesis filling a gas vacuole. Cooperite crystal surrounded by Pd-Cu-Pt-S phase (vasilite?), vysotskite and osmium laths (white) in chalcopyrite-bornite matrix (dark). (CanMin 38:1258).
Location: Pustaya River placer deposit, situated within the Koryak-Kamchatka platinum-bearing belt of Alaskan-type intrusions in eastern Russia. Scale: See Image.
© Canadian Mineralogist

Images:

Vasilite

Comments: B&W BSE image of an inclusion of vasilite (vas), bowieite (bow) and Pd-bearing troilite (tro) in an isoferroplatinum (iso) matrix..
Location: Novoseltsi, Bourgas region, southeastern Bulgaria. Scale: See Image.
© Canadian Mineralogist

Vasilite Crystallography

Cell Dimensions:

a = 8.922, Z = 2; V = 710.21 Den(Calc)= 8.74

Crystal System:

Isometric - HextetrahedralH-M Symbol (4 3m) Space Group: I 43m

$Help on X Ray Diffraction:$ X Ray Diffraction:

By Intensity(I/I_o): 2.389(1), 2.1(0.8), 3.638(0.8),

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

Matkovic P , El Boragy M , Schubert K , Journal of the Less-Common Metals , 50 (1976) p.165-176, Kristallstruktur von Pd16S7, Locality: synthetic

Physical Properties of Vasilite

Cleavage:

None

Color:

Steel gray.

Density:

8.79

Diaphaneity:

Opaque

Fracture:

Brittle - Uneven - Very brittle fracture producing uneven fragments.

Habit:

Inclusions - Generally found as inclusions in other minerals.

Hardness:

5-5.5 - Apatite-Knife Blade

Luster:

Metallic

Streak:

black

Optical Properties of Vasilite

RL Anisotrophism:

None.

RL Bireflectance:

None.

RL Color:

Creamy white with a yellowish tint.

Reflectivity

**Standardized Intensity (100%) Reflection Spectra of Vasilite in Air**
λ	R	∑ R(λ)
420 nm	45.60
440 nm	43.90
460 nm	42.00
480 nm	40.20
500 nm	38.90
520 nm	38.20
530 nm	38.00
540 nm	37.70
560 nm	37.70
600 nm	39.20
620 nm	40.60
640 nm	42.30
660 nm	43.90
680 nm	45.40
700 nm	47.10

**Standardized Intensity (100%) Reflection Spectra of Vasilite in Oil**
λ	R	∑ R(λ)
420 nm	29.90
440 nm	28.20
460 nm	26.30
480 nm	24.80
500 nm	23.40
520 nm	22.60
530 nm	22.40
540 nm	22.10
560 nm	22.10
600 nm	23.60
620 nm	25.10
640 nm	26.40
660 nm	28.40
680 nm	30.10
700 nm	31.60

**Calculated Relative Intensity Colors of Vasilite in Air**
Relative Intensity	0%	30%	60%	90%	100%	120%	150%	180%	210%	230%
R

**Calculated Relative Intensity Colors of Vasilite in Oil**
Relative Intensity	0%	40%	80%	100%	120%	160%	200%	240%	280%	320%	360%	380%
R

Calculated Properties of Vasilite

Electron Density:

Bulk Density (Electron Density)=7.71 gm/cc
note: Specific Gravity of Vasilite =8.74 gm/cc.

Fermion Index:

Fermion Index = 0.17
Boson Index = 0.83

Photoelectric:

PE_Vasilite= 196.92 barns/electron
U=PE_Vasilite x rElectron Density=1,518.32 barns/cc.

Radioactivity:

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

Vasilite Classification

Dana Class:

02.16.22.01 (02)Sulfides - Including Selenides and Tellurides

(02.16)with miscellaneous formulae

(02.16.22)Dana Group

02.16.22.01 Vasilite (Pd,Cu)16(S,Te)7 I 43m 4 3m

Strunz Class:

02.BC.25 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf

02.B - Metal Sulfides, M:S > 1:1 (mainly 2:1)

02.BC -With Rh, Pd, Pt, etc.

02.BC.25 Vasilite (Pd,Cu)16(S,Te)7 I 43m 4 3m

Other Vasilite Information

References:

NAME( CanMin, v28:687) PHYS. PROP.(Am.Min.,Vol.76,p1435,1991) OPTIC PROP.(CanMin, v28:687)

See Also:

Links to other databases for Vasilite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - Google Images
6 - Google Scholar
7 - Handbook of Mineralogy (MinSocAm)
8 - Handbook of Mineralogy (UofA)
9 - MinDAT
10 - MinMax(Deutsch)
11 - MinMax(English)
12 - Mineralienatlas (Deutsch)
13 - QUT Mineral Atlas
14 - Ruff.Info

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

Vasilite

(Pd,Cu)16(S,Te)7
Dana No: 02.16.22.01 Strunz No: 02.BC.25
Locality:

Notes: