Formula: (Cs,K,H3O)2(UO2)2V2O8 . H2O
Origin of name: After locality; Margaritas deposit, Chihuahua, Mexico
Crystal system: Monoclinic
Crystal class: 2/m
Twinning:
Unit cell:
Colour: Yellow
Diaphaneity:
Luster:
Habit: Crystals tabular, 1 - 3 µm, in aggregates 1 mm across
Hardness:
Specific gravity: 5.41
Cleavage: None
Tenacity:
Streak:
Synonyms/varieties:
Comments:
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