Formula: Pb(UO2)SiO4 . H2O
Origin of name: After locality; Kasolo, Shaba, Zaire
Crystal system: Monoclinic
Crystal class: 2/m
Twinning:
Unit cell: a = 13.31 Ǻ, b = 7.02 Ǻ, c = 6.72 Ǻ, β = 104.7°
Colour: Yellow to brown, reddish orange, bottle green, grayish green
Diaphaneity:
Luster: Subadamantine to vitreous
Habit: Crystals stout prismatic, elongated on b-axis, aggregates, rosettes; radial-fibrous aggregates; masses, compact; crusts
Hardness: ~ 4.5
Specific gravity: 5.83 to 6.5
Cleavage: 3; {001} perfect, {100} and {010} indistinct
Tenacity: Brittle
Streak: Pale yellow-brown
Synonyms/varieties: Droogmansite
Comments:
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