Formula: CaHAsO4 . H2O
Origin of name: For W. von Haidinger, Austrian mineralogist
Crystal system: Orthorhombic
Crystal class: 2/m 2/m 2/m
Twinning:
Unit cell:
Colour: Colourless, white
Diaphaneity: Transparent to translucent
Luster: Vitreous to adamantine, pearly on cleavage
Habit: Crystals short prismatic or equant; fibrous; botryoidal, fine-grained
Hardness: 2 to 2.5
Specific gravity: 2.95
Cleavage: 1; {010} perfect
Tenacity:
Streak:
Synonyms/varieties:
Comments:
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