Chemistry:Raspite

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Raspite
Raspite-130810.jpg
General
CategoryOxide minerals
Formula
(repeating unit)
PbWO4
Strunz classification4.DG.20
Crystal systemMonoclinic
Crystal classPrismatic (2/m)
(same H-M symbol)
Space groupP21/b
Identification
ColourLight yellow, yellowish brown, grey
Crystal habitTabular (may have striations), elongate
CleavagePerfect {100}
Mohs scale hardness2.5–3
|re|er}}Adamantine
SolubilityDecomposes 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]

See also

References

  1. Warr, L.N. (2021). "IMA–CNMNC approved mineral symbols". Mineralogical Magazine 85 (3): 291–320. doi:10.1180/mgm.2021.43. Bibcode2021MinM...85..291W. 
  2. 2.0 2.1 Handbook of Mineralogy
  3. Mindat entry
  4. "Raspite Mineral Data", Webmineral.com, http://webmineral.com/data/Raspite.shtml, 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.