Formula: Sr3(T,Fe)(Si2O6)2(O,OH).2H2O
Origin of name: after locality Ohmi, Japan
Crystal system: monoclinic
Crystal class: 2/m
Twinning:
Unit cell:
Colour: light pink
Diaphaneity:
Luster:
Habit: crystals acicular, smaller than 10 micron, in sperulitic aggregates
Hardness: 3.5
Specific gravity: 3.38
Cleavage: 1; {010} perfect
Tenacity:
Streak: white
Synonyms/varieties:
Comments:
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