Stannopalladinite Mineral Data

General Stannopalladinite Information

Chemical Formula:

(Pd,Cu)3Sn2 (?)

Composition:

Molecular Weight = 524.52 gm

Copper 9.09 % Cu

Tin 45.26 % Sn

Palladium 45.65 % Pd

______

100.00 %

Empirical Formula:

Pd_2.25Cu_0.75Sn₂

Environment:

In sulfide Cu-Ni ores intergrown with niggliite.

IMA Status:

Valid Species (Pre-IMA) 1947

Locality:

Monchegorsk, Kola Peninsula, Russia Link to MinDat.org Location Data.

Name Origin:

Named for the composition.

Name Pronunciation:

Stannopalladinite + Pronunciation

Stannopalladinite Image

Images:

Stannopalladinite

Comments: PPL polished section image of hexagonal crystal of stannopalladinite (white with a very slight pinkish tint) in white atokite. Inset image x-polarizers.
Location: Oktyabrski Mine, Talnakh, Ural, Russia. Scale: Picture Size 0.57 mm.
© Thomas Witzke

Stannopalladinite Crystallography

Axial Ratios:

a:c = 1:1.28636

Cell Dimensions:

a = 4.4, c = 5.66, Z = 1; V = 94.90 Den(Calc)= 9.18

Crystal System:

Hexagonal - Dihexagonal Dipyramidal H-M Symbol (6/m 2/m 2/m) Space Group: P 6₃/mmc

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

By Intensity(I/I_o): 2.2(1), 2.27(1), 1.58(0.7),

Physical Properties of Stannopalladinite

Color:

Brown pink, Pale pink.

Density:

10.2

Diaphaneity:

Opaque

Habit:

Cubic Crystals - Occurs as cubic shaped crystals.

Hardness:

5 - Apatite

Luster:

Metallic

Optical Properties of Stannopalladinite

RL Anisotrophism:

Strong, from lilac-red to gray-blue.

Reflectivity

**Standardized Intensity (100%) Reflection Spectra of Stannopalladinite in Air**
λ	R₁	R₂	∑ R₁(λ)	∑ R₂(λ)
460 nm	46.20	48.50
500 nm	50.30	51.50
540 nm	53.00	54.00
580 nm	54.00	55.50
620 nm	56.00	57.80
660 nm	57.00	60.00
700 nm	57.00	61.00

**Calculated Relative Intensity Colors of Stannopalladinite in Air**
Relative Intensity	0%	20%	40%	60%	80%	100%	120%	140%	160%	180%	190%
R₁
R₂

Calculated Properties of Stannopalladinite

Electron Density:

Bulk Density (Electron Density)=7.88 gm/cc
note: Specific Gravity of Stannopalladinite =9.18 gm/cc.

Fermion Index:

Fermion Index = 0.17
Boson Index = 0.83

Photoelectric:

PE_{Stannopalladinite}= 260.72 barns/electron
U=PE_{Stannopalladinite} x rElectron Density=2,055.61 barns/cc.

Radioactivity:

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

Stannopalladinite Classification

Dana Class:

01.02.09.01 (01)Native Elements

(01.02)with platinum group metals and alloys

(01.02.09)Dana Group

01.02.09.01 Stannopalladinite (Pd,Cu)3Sn2(?) P 6₃/mmc 6/m 2/m 2/m

Strunz Class:

01.AG.25 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.25 Plumbopalladinite Pd3Pb2 P 6₃/mmc 6/m 2/m 2/m

01.AG.25 Stannopalladinite (Pd,Cu)3Sn2(?) P 6₃/mmc 6/m 2/m 2/m

Other Stannopalladinite Information

References:

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

See Also:

Links to other databases for Stannopalladinite :
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 Stannopalladinite Specimen Label here :

Stannopalladinite

(Pd,Cu)3Sn2 (?)
Dana No: 01.02.09.01 Strunz No: 01.AG.25
Locality:

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