Formula: MgSO4 . 3H2O
Origin of name: From Greek kainourgios = strange
Crystal system: Monoclinic
Crystal class: 2/m
Twinning:
Unit cell:
Colour: Colourless, gray, blue, violet, reddish, yellowish
Diaphaneity: Transparent to translucent
Luster: Vitreous
Habit: Crystals thick tabular to equant, may be highly modified; aggregates and coatings; massive, granular
Hardness: 2.5 to 3
Specific gravity: 2.15
Cleavage: 1; {001} perfect
Tenacity:
Streak:
Synonyms/varieties:
Comments:
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