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Wilkmanite Mineral Data + |
General Wilkmanite Information |
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| Ni3Se4 | |||
| Molecular Weight = 491.91 gm | |||
| Nickel 35.79 % Ni | |||
| Selenium 64.21 % Se | |||
| ______ | |||
| 100.00 % | |||
| Ni3Se4 | |||
| As a primary phase and as and alteration product of sederholmite, in albite diabase sills that cut a schist formation, associated with low-grade uranium mineralization. Dimorphous w ith trustedtite. | |||
| Approved IMA 1964 | |||
| Kuusamo, northeastern Finland. Link to MinDat.org Location Data. | |||
| Named for W. W. Wilkman, geologist. | |||
| ICSD 42558 | |||
| PDF 18-890 | |||
Search for Wilkmanite Images | |||
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Wilkmanite Crystallography |
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| a:b:c =1.7134:1:2.898 | |||
| a = 6.22, b = 3.63, c = 10.52, Z = 2; beta = 90.53° V = 237.52 Den(Calc)= 6.88 | |||
| Monoclinic - PrismaticH-M Symbol (2/m) Space Group: I2/m | |||
| By Intensity(I/Io): 1.8(1), 2.02(1), 2.7(1), | |||
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Mouse |
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Physical Properties of Wilkmanite |
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| [001] Good | |||
| Grayish yellow. | |||
| Opaque | |||
| Massive - Uniformly indistinguishable crystals forming large masses. | |||
| 2.5 - Finger Nail | |||
| Metallic | |||
Optical Properties of Wilkmanite |
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| Strong, pink to yellowish green. | |||
| Pale pinkish yellow. | |||
| Distinct, pale yellow to grayish white. | |||
Calculated Properties of Wilkmanite |
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relectron=6.15 gm/cc |
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| Fermion Index = 0.05284 Boson Index = 0.94716 |
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PEWilkmanite = 65.87 barns/electron |
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| GRapi = 0 (Gamma Ray American Petroleum Institute Units) Wilkmanite is Not Radioactive |
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Wilkmanite Classification |
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| 2.10.2.1 (2)Sulfides - Including Selenides and Tellurides | |||
| (2.10)where Am Bn Xp, with (m+n):p=3:4 | |||
| (2.10.2)Dana Group | |||
| II/D.05-20 II - Sulfides and sulphosalts | |||
| II/D - Sulfides with metal: sulfur, selenium and tellurium < 1:1, Tellurides with Copper, Silver, Gold | |||
| II/D.05 - Bretzinaite ? series | |||
Other Wilkmanite Information |
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| NAME( AntBidBlaNic1) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic1) | |||
| Links to other databases for Wilkmanite : 1 -Am. Min. Crystal Structure Database 2 -Athena 3 - EUROmin Project 4 -Google Images 5 -Google Scholar 6 -Handbook of Mineralogy (UofA) 7 -MinDAT 8 -MinMax(Deutsch) 9 -MinMax(English) 10 -Mineralienatlas (Deutsch) 11 -QUT Mineral Atlas 12 -École des Mines de Paris Search for Wilkmanite using: Visit our Advertisers for Wilkmanite : Translate Wilkmanite Mineral Data : Ask about Wilkmanite here : Print or Cut-and-Paste your Wilkmanite Specimen Label here :
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