Routhierite
From Infogalactic: the planetary knowledge core
| Routhierite | |
|---|---|
| General | |
| Category | Sulfosalt mineral |
| Formula (repeating unit) |
Tl(Cu,Ag)(Hg,Zn)2(As,Sb)2S6 |
| Strunz classification | 02.GA.40 |
| Crystal symmetry | Tetragonal ditetragonal pyramidal H-M symbol: (4mm) Space group: I 4mm |
| Unit cell | a = 9.9821(11) Å, c = 11.3122(12) Å; Z=4 |
| Identification | |
| Color | Violet-red |
| Crystal habit | Anhedral grains, xenomorphic grains and veinlets |
| Crystal system | Tetragonal |
| Twinning | Microscopic polysynthetic twin lamellae |
| Cleavage | 2; two perpendicular |
| Mohs scale hardness | 3.5 |
| Luster | Metallic |
| Diaphaneity | Opaque |
| Density | 5.83 |
| Pleochroism | Weak |
| References | [1][2][3] |
Routhierite is a rare thallium sulfosalt mineral with formula Tl(Cu,Ag)(Hg,Zn)2(As,Sb)2S6.
It was first described in 1974 for an occurrence in the Jas Roux deposit in the French Alps.[2] It was named after French geologist Pierre Routhier (1916-2008).[4] It is also reported from the Northern Ural Mountains, Russia and the Thunder Bay district of Ontario, Canada.[1]
References
- ↑ 1.0 1.1 Handbook of Mineralogy
- ↑ 2.0 2.1 Lua error in package.lua at line 80: module 'strict' not found.
- ↑ Routhierite Mineral Data
- ↑ Biography in french (archived)
- Lua error in package.lua at line 80: module 'strict' not found.
- mineralatlas.com
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