Chemistry:Stumpflite
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| Stumpflite | |
|---|---|
| General | |
| Category | platinum mineral |
| Formula (repeating unit) | Pt(Sb,Bi) |
| Strunz classification | Pt(Sb,Bi) |
| Crystal system | Orthorhombic |
| Crystal class | Dipyramidal (mmm) H-M symbol: (2/m 2/m 2/m) |
| Space group | Pbam (no. 55) |
| Unit cell | 83.08 ų (Calculated from Unit Cell) |
| Identification | |
| References | [1][2] |
Stumpflite is a rare platinum mineral. It crystallizes in the orthorhombic crystal system.
History
Its occurrence was first confirmed in the Driekop mine, Transvaal, South Africa.[3]
Etymology
The mineral is named in honor of Eugen Friedrich Stumpfl (27 November 1931, Munich, Germany - 12 July 2004, Innsbruck, Austria), professor of mineralogy, Mining Institute, Leoben (Austria), for his studies of noble metal compounds.[4]
It was discovered in 1972 by Zdeněk Johan and Paul Picot.[4]
Physical properties
It has a silver white color. And it is metallic and isometric.[5]
Occurrence
It is mostly found in Platinum concentrates from an ultramafic pipe deposit intergrown with geversite.[3]
References
- ↑ "Stumpflite Mineral Data". https://webmineral.com/data/Stumpflite.shtml.
- ↑ "Stumpflite". https://www.mindat.org/min-3816.html.
- ↑ 3.0 3.1 "Stumpflite Mineral Data". https://webmineral.com/data/Stumpflite.shtml.
- ↑ 4.0 4.1 "Stumpflite". https://www.mindat.org/min-3816.html.
- ↑ Minerals, Dakota Matrix. "Eugenite mineral information and data". https://www.dakotamatrix.com/mineralpedia/6026/eugenite.
External links
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