Formula: K2Sr(SO4)2
Origin of name: From composition
Crystal system: Hexagonal
Crystal class: -3 2/m
Twinning:
Unit cell:
Colour: Colourless
Diaphaneity: Transparent
Luster: Vitreous
Habit: Crystals elongated on the prism; tabular, flattened, hexagonal
Hardness: 2
Specific gravity: 3.20
Cleavage: 1; {0001} perfect
Tenacity:
Streak:
Synonyms/varieties:
Comments:
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