Raspite | |
---|---|
General | |
Category | Oxide minerals |
Formula (repeating unit) | PbWO4 |
IMA symbol | Rsp[1] |
Strunz classification | 4.DG.20 |
Crystal system | Monoclinic |
Crystal class | Prismatic (2/m) (same H-M symbol) |
Space group | P21/b |
Identification | |
Colour | Light yellow, yellowish brown, grey |
Crystal habit | Tabular (may have striations), elongate |
Cleavage | Perfect {100} |
Mohs scale hardness | 2.5–3 |
Luster | Adamantine |
Solubility | Decomposes in HCl |
Raspite is a mineral, a lead tungstate; with the formula PbWO4. It forms yellow to yellowish brown monoclinic crystals.[2] It is the low temperature monoclinic dimorph of the tetragonal stolzite.[2][3]
It was discovered in 1897 at Broken Hill, New South Wales, Australia, it was named for Charles Rasp (1846–1907), German-Australian prospector, discoverer of the Broken Hill ore deposit.[4]