Spriggite
| Spriggite | |
|---|---|
| General | |
| Category | Uranyl hydroxide mineral |
| Formula (repeating unit) | Pb3(UO2)6O8(OH)2·3H2O |
| Strunz classification | 4.GC.15 |
| Crystal system | Monoclinic |
| Identification | |
| Color | bright orange |
| Crystal symmetry |
Monoclinic - prismatic H-M symbol: (2/m) |
| Cleavage | distinct/ good on (100) |
| Fracture | irregular/ uneven |
| Tenacity | brittle |
| Mohs scale hardness | 4 |
| Luster | vitreous |
| Streak | pale orange |
| Diaphaneity | transparent |
| References | [1][2] |
Spriggite is an uranyl hydroxide mineral with chemical formula Pb3(UO2)6O8(OH)2·3H2O. Its type locality is Mt Painter region, Arkaroola region, Flinders Ranges, South Australia. It was named after Reginald C. Sprigg (1919–1994).
References
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