Formula: CaMnSiO4
Origin of name: From Greek for blue and colour
Crystal system: Orthorhombic
Crystal class: 2/m 2/m 2/m
Twinning:
Unit cell:
Colour: Bluish-green, white, pinkish
Diaphaneity: Translucent
Luster: Vitreous
Habit: Crystals long prismatic; massive, coarse to fine granular
Hardness: 6
Specific gravity: 1; {001} indistinct
Cleavage:
Tenacity:
Streak:
Synonyms/varieties:
Comments:
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