Formula: Co(UO2)2(AsO4)2 . 8H2O
Origin of name: From Greek meta - after and for F. Kirchheimer, German geologist
Crystal system: Tetragonal
Crystal class: 4/m 2/m 2/m
Twinning:
Unit cell:
Colour: Pale rose
Diaphaneity:
Luster: Pearly on cleavage
Habit: Crystals tabular; crusts
Hardness: 2 to 2.5
Specific gravity: < 3.33
Cleavage: 1; {001} excellent
Tenacity:
Streak:
Synonyms/varieties:
Comments:
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