Formula: Fe(UO2)2(AsO4)2 . 8H2O
Origin of name: From Greek meta - after and kahlerite
Crystal system: Tetragonal
Crystal class: -1
Twinning:
Unit cell:
Colour: Sulfur yellow
Diaphaneity:
Luster: Pearly on {001}
Habit: Scaly aggregates
Hardness:
Specific gravity: 3.84
Cleavage: 2; {001} excellent; {100} good
Tenacity:
Streak:
Synonyms/varieties:
Comments:
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