Raspite
Appearance
Raspite | |
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General | |
Category | Oxide minerals |
Formula (repeating unit) | PbWO4 |
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.[1] It is the low temperature monoclinic dimorph of the tetragonal stolzite.[1][2]
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.[3]
See also
References
- ^ a b Handbook of Mineralogy
- ^ Mindat entry
- ^ "Raspite Mineral Data", Webmineral.com, retrieved September 12, 2010
Bibliography
- Palache, P.; Berman H.; Frondel, C. (1960). "Dana's System of Mineralogy, Volume II: Halides, Nitrates, Borates, Carbonates, Sulfates, Phosphates, Arsenates, Tungstates, Molybdates, Etc. (Seventh Edition)" John Wiley and Sons, Inc., New York, pp. 1089-1090.