Formula: Sn3O2(OH)2
Origin of name: from Greek hydor = water and romarchite
Crystal system: Tetragonal
Crystal class: -42m
Twinning:
Unit cell:
Colour: White
Diaphaneity:
Luster:
Habit: Crystals minute, in thin crusts
Hardness:
Specific gravity: 5.0
Cleavage: None
Tenacity:
Streak:
Synonyms/varieties:
Comments:
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