Formula: Ba(UO2)2(PO4)2 . 8H2O
Origin of name: From Greek for lower (hydration) and uranocircite
Crystal system: Tetragonal
Crystal class: 4/m 2/m 2/m
Twinning:
Unit cell: a = 6.95 Å, c = 17.63 Å
Colour: Yellow-green
Diaphaneity:
Luster: Pearly
Habit: Crystals platy; subparallel aggregates; fanlike-groups
Hardness: 2; to 2.5
Specific gravity: 3.96 to 4.08
Cleavage:
Tenacity: Thin flakes flexible
Streak:
Synonyms/varieties:
Comments: Fluoresces green
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