Spriggite

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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).[4]

CategoryUranyl hydroxide mineral
FormulaPb3(UO2)6O8(OH)2·3H2O
IMA symbolSgg[1]
Strunz classification4.GC.15
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Spriggite
General
CategoryUranyl hydroxide mineral
FormulaPb3(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]
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