| Spriggite | |
|---|---|
| General | |
| Category | Uranyl hydroxide mineral |
| Formula (repeating unit) | Pb3(UO2)6O8(OH)2·3H2O |
| IMA symbol | Sgg[1] |
| Strunz classification | 4.GC.15 |
| Crystal system | Monoclinic |
| Crystal class | Prismatic (2/m) (same H-M symbol) |
| Space group | C2/c |
| Identification | |
| Color | bright orange |
| Cleavage | distinct/ good on (100) |
| Fracture | irregular/ uneven |
| Tenacity | brittle |
| Mohs scale hardness | 4 |
| Luster | vitreous |
| Streak | pale orange |
| Diaphaneity | transparent |
| References | [2][3] |
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[edit]
- ^ Warr, L.N. (2021). "IMA–CNMNC approved mineral symbols". Mineralogical Magazine. 85 (3): 291–320. Bibcode:2021MinM...85..291W. doi:10.1180/mgm.2021.43. S2CID 235729616.
- ^ Mindat
- ^ Webmineral data