Fourmarierite
| Fourmarierite | |
|---|---|
|
Uraninite covered with red hexagonal fourmarierite crystals | |
| General | |
| Category | Oxide minerals |
| Formula (repeating unit) | Pb(UO2)4O3(OH)4•4H2O |
| Strunz classification | 4.GB.25 |
| Crystal system |
Orthorhombic Pyramidal class |
| Space group |
Orthorhombic H-M Symbol: (mm2) Space group: Bb21m |
| Identification | |
| Color | Red, golden-red, brown |
| Cleavage | On {001}, perfect |
| Mohs scale hardness | 3 - 4 |
| Luster | Adamantine |
| Diaphaneity | Transparent |
| Density | 6.046 g/cm3 |
Fourmarierite is a secondary uranium-lead mineral. It was named for the Belgian geologist Paul Fourmarier (1877–1970). Its chemical formula is Pb(UO2)4O3(OH)4•4H2O.[1]
References
- ↑ "Fourmarierite Mineral Data". webmineral.com. Retrieved 15 May 2012.
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