Formula: Cu2(UO2)3(CO3)2O2(OH)2.4H2O
Origin of name: for M. Roubault, French geologist
Crystal system: triclinic
Crystal class: -1
Twinning:
Unit cell:
Colour: green
Diaphaneity:
Luster:
Habit: crystals platy, in rosettes to 3 mm
Hardness: about 3
Specific gravity: 5.02
Cleavage: 2; {100} perfect, {010} distinct
Tenacity:
Streak:
Synonyms/varieties:
Comments:
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