Formula: Ca3(SO3)2SO4.12H2O
Origin of name: for P. Orschall, German discover of mineral
Crystal system: hexagonal
Crystal class: -3 2/m
Twinning:
Unit cell:
Colour: colourless
Diaphaneity: transparent
Luster:
Habit: cubes to 0.3 mm
Hardness: 4
Specific gravity: 1.90
Cleavage: none
Tenacity:
Streak:
Synonyms/varieties:
Comments:
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