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Spriggite

Summary

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).

Spriggite
General
CategoryUranyl hydroxide mineral
Formula
(repeating unit)		Pb3(UO2)6O8(OH)2·3H2O
IMA symbolSgg[1]
Strunz classification4.GC.15
Crystal systemMonoclinic
Crystal classPrismatic (2/m)
(same H-M symbol)
Space groupC2/c
Identification
Colorbright orange
Cleavagedistinct/ good on (100)
Fractureirregular/ uneven
Tenacitybrittle
Mohs scale hardness4
Lustervitreous
Streakpale orange
Diaphaneitytransparent
References[2][3]

References edit

  1. ^ 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.
  2. ^ Mindat
  3. ^ Webmineral data