Formula: K2Ca2Mg(SO4)4.2H2O
Origin of name: from Greek for many and salt
Crystal system: triclinic
Crystal class: unknown
Twinning:
Unit cell:
Colour: colourless, white, gray, pink to red from iron inclusions
Diaphaneity: transparent to translucent
Luster: vitreous to resinous
Habit: crystals highly modified tabular or elongated, twinned, rare, massive, fibrous to foliated
Hardness: 3.5
Specific gravit2.78y:
Cleavage: 1; {10-1} perfect
Tenacity:
Streak:
Synonyms/varieties:
Comments:
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