Formula: K2CaU6O20.9H2O
Origin of name: for J. Rameau, French prospector
Crystal system: monoclinic
Crystal class: 2/m
Twinning:
Unit cell:
Colour: orange
Diaphaneity:
Luster:
Habit: crystals flattened, elongate, twinned, to 1 mm
Hardness:
Specific gravity: 5.60
Cleavage: 1; {010} good
Tenacity:
Streak:
Synonyms/varieties:
Comments:
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