Formula: Na6MnTiSi6O18
Origin of name: For Maria Efimovna Kazakova, analytical chemist who provided the mineral's analysis.
Crystal system: Hexagonal
Crystal class: 3 2/m
Twinning:
Unit cell: a = 10.18, c = 13.06
Colour: Pale yellow
Diaphaneity: Transparent
Luster: Vitreous to greasy
Habit: Crystals tiny
Hardness: 4
Specific gravity: 2.84
Cleavage: None
Tenacity: Conchoidal fracture
Streak: White
Synonyms/varieties:
Comments:
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