Spriggite

Spriggite
General
Category Uranyl hydroxide mineral
Formula
(repeating unit)		 Pb3(UO2)6O8(OH)2·3H2O
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 [1][2]

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

  1. ↑ Mindat
  2. ↑ Webmineral data
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