Formula: CuFe2(SO4)4.6H2O
Origin of name: for F. Ransome, American geologist
Crystal system: monoclinic
Crystal class: 2/m
Twinning:
Unit cell:
Colour: sky-blue
Diaphaneity: transparent
Luster: vitreous, pearly on cleavage
Habit: crystals acicular, in radiating tufts and crusts
Hardness: 2.5
Specific gravity: 2.63
Cleavage: 1; {010} perfect
Tenacity:
Streak:
Synonyms/varieties:
Comments:
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