Formula: U(UO2)3(PO4)2(OH)6 . 2H2O
Origin of name: From Greek meta - after and vanmeerscheite
Crystal system: Orthorhombic
Crystal class: 2/m 2/m 2/m
Twinning:
Unit cell:
Colour: Yellow
Diaphaneity:
Luster:
Habit: Plates, elongated
Hardness:
Specific gravity: 4.49
Cleavage: 2; {010} good, {100} less good
Tenacity:
Streak:
Synonyms/varieties:
Comments: Fluoresces green in SW and LW
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