Formula: MgSO4 . 6H2O
Origin of name: From composition
Crystal system: Monoclinic
Crystal class: 2/m
Twinning:
Unit cell:
Colour: Colourless, white, pale greenish
Diaphaneity: Opaque, or transparent
Luster: Vitreous to pearly
Habit: Crystals thick tabular; coarse columnar to fibrous
Hardness:
Specific gravity: 1.76
Cleavage: 1; {100} perfect
Tenacity:
Streak:
Synonyms/varieties:
Comments: Soluble in water
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