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Stannopalladinite Mineral Data
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General Stannopalladinite Information
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 Chemical Formula: |
(Pd,Cu)3Sn2 (?) |
| Composition: |
Molecular Weight = 524.52 gm |
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Copper 9.09 % Cu |
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Tin 45.26 % Sn |
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Palladium 45.65 % Pd |
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______ |
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100.00 % |
| Empirical Formula: |
Pd2.25Cu0.75Sn2 |
| 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  |
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Stannopalladinite Image |
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Images:
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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 |
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Stannopalladinite Crystallography
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| 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 |
| X Ray Diffraction: |
By Intensity(I/Io): 2.2(1), 2.27(1), 1.58(0.7), |
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Physical Properties of Stannopalladinite
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| Color: |
Brown pink, Pale pink. |
| Density: |
10.2 |
| Diaphaneity: |
Opaque |
| Habit: |
Cubic Crystals - Occurs as cubic shaped crystals. |
| Hardness: |
5 - Apatite |
| Luster: |
Metallic |
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Optical Properties of Stannopalladinite
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| RL Anisotrophism: |
Strong, from lilac-red to gray-blue. |
| Reflectivity |
Standardized Intensity (100%) Reflection Spectra of Stannopalladinite in Air
| λ |
R1 |
R2 |
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∑ R1(λ) |
∑ R2(λ) |
| 460 nm |
46.20 |
48.50 |
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| 500 nm |
50.30 |
51.50 |
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| 540 nm |
53.00 |
54.00 |
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| 580 nm |
54.00 |
55.50 |
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| 620 nm |
56.00 |
57.80 |
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| 660 nm |
57.00 |
60.00 |
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| 700 nm |
57.00 |
61.00 |
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Calculated Relative Intensity Colors of Stannopalladinite in Air
Relative
Intensity |
0% |
20% |
40% |
60% |
80% |
100% |
120% |
140% |
160% |
180% |
190% |
| R1 |
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| R2 |
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Calculated Properties of Stannopalladinite
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| Electron Density: |
Bulk Density (Electron Density)=7.88 gm/cc
note: Specific Gravity of Stannopalladinite =9.18 gm/cc.
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| Fermion Index: |
Fermion Index = 0.17
Boson Index = 0.83 |
| Photoelectric: |
PEStannopalladinite = 260.72 barns/electron
U=PEStannopalladinite x rElectron Density=2,055.61 barns/cc.
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Stannopalladinite is Not Radioactive |
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Stannopalladinite Classification
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| Dana Class: |
01.02.09.01 (01)Native Elements |
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(01.02)with platinum group metals and alloys |
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(01.02.09)Dana Group |
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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) |
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01.A - Metals and Intermetallic Alloys |
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01.AG -PGE-metal alloys |
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01.AG.25 Plumbopalladinite Pd3Pb2 P 63/mmc 6/m 2/m 2/m |
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01.AG.25 Stannopalladinite (Pd,Cu)3Sn2(?) P 63/mmc 6/m 2/m 2/m |
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Other Stannopalladinite Information
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| 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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Stannopalladinite
(Pd,Cu)3Sn2 (?)
Dana No: 01.02.09.01 Strunz No: 01.AG.25
Locality:
Notes:
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