Cabriite Mineral Data

General Cabriite Information

Chemical Formula:

Pd2SnCu

Composition:

Molecular Weight = 395.10 gm

Copper 16.08 % Cu

Tin 30.05 % Sn

Palladium 53.87 % Pd

______

100.00 %

Empirical Formula:

Pd₂SnCu

Environment:

In massive mooihoekite ore, also in galena-chalcopyrite veins.

IMA Status:

Approved IMA 1985

Locality:

At the Oktyabr mine, Noril'sk region, western Siberia, USSR. Link to MinDat.org Location Data.

Name Origin:

For Dr. Louis J. Cabri, Canadian Institute of Mining and Metallurgy, describer of a number of platinum group minerals.

Name Pronunciation:

Cabriite

Synonym:

IMA1985-057

Cabriite Image

Images:

Cabriite Sperrylite

Comments: Small crystal of dull gray cabriite on a larger tin-white sperrylite crystal.
Location: Dzhezhazgan, Kazakhstan. Scale: Crystal size 1.5 mm.
© John Veevaert

Images:

Cabriite Sperrylite

Comments: Polished section (PPL) image of a ovoid grain of cabriite (Ca) rimmed by native silver (Ag) in a matrix of brownish cubanite (Cu), with tawny chalcopyrite (Cp). Surrounded on three sides by coarse, millimetric crystals of sperrylite (Sp).
Location: Noril’sk-Talnakh mining district of northwestern Russia. (CanMin, v40:473). Scale: Feld of view 1.2 mm.
© Canadian Mineralogist

Cabriite Crystallography

Axial Ratios:

a:b:c =1:1:0.5

Cell Dimensions:

a = 7.88, b = 7.88, c = 3.94, Z = 4; V = 244.65 Den(Calc)= 10.73

Crystal System:

Orthorhombic - Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: P mmm

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

By Intensity(I/I_o): 2.29(1), 2.17(0.9), 1.23(0.8),

Physical Properties of Cabriite

Color:

Gray white.

Density:

10.7

Diaphaneity:

Opaque

Hardness:

4-4.5 - Between Fluorite and Apatite

Luster:

Metallic

Optical Properties of Cabriite

RL Anisotrophism:

Strong, in grayish brown to golden colors.

RL Color:

Pink with slight lilac tint.

RL Pleochroism:

Detectable.

Reflectivity

**Standardized Intensity (100%) Reflection Spectra of Cabriite in Air**
λ	R₁	R₂	∑ R₁(λ)	∑ R₂(λ)
440 nm	42.50	44.50
460 nm	42.40	45.10
480 nm	42.50	46.50
500 nm	43.20	48.30
520 nm	44.00	50.20
540 nm	45.00	52.00
560 nm	46.00	54.00
580 nm	47.80	56.00
600 nm	49.00	58.20
620 nm	51.00	60.40
640 nm	53.30	63.00
660 nm	56.00	65.50
680 nm	58.30	68.00
700 nm	61.10	70.00

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

Calculated Properties of Cabriite

Electron Density:

Bulk Density (Electron Density)=9.29 gm/cc
note: Specific Gravity of Cabriite =10.7 gm/cc.

Fermion Index:

Fermion Index = 0.17
Boson Index = 0.83

Photoelectric:

PE_Cabriite= 233.56 barns/electron
U=PE_Cabriite x rElectron Density=2,169.28 barns/cc.

Radioactivity:

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

Cabriite Classification

Dana Class:

01.02.08.01 (01)Native Elements

(01.02)with platinum group metals and alloys

(01.02.08)Dana Group

01.02.08.01 Cabriite Pd2SnCu P mmm 2/m 2/m 2/m

Strunz Class:

01.AG.30 01 - ELEMENTS (Metals and intermetallic alloys; metalloids and nonmetals; carbides, silicides, nitrides, phosphides)

01.A - Metals and Intermetallic Alloys

01.AG -PGE-metal alloys

01.AG.30 Cabriite Pd2SnCu P mmm 2/m 2/m 2/m

Other Cabriite Information

References:

NAME( AntBidBlaNic1) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic1)

See Also:

Links to other databases for Cabriite :
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

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

Cabriite

Pd2SnCu
Dana No: 01.02.08.01 Strunz No: 01.AG.30
Locality:

Notes:

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