Formula: (Na,K)Na2Mg2Mn2Li5Si8O22(OH)2
Origin of name: For Hermann Korn, German geologist
Crystal system: Monoclinic
Crystal class: 2/m
Twinning:
Unit cell:
Colour: Dark red to brownish lilac
Diaphaneity: Transparent
Luster: Vitreous
Habit: Bundles of fibers, bent, 5-10µm diameter <200 µm long
Hardness: 5 to 6
Specific gravity: 3.15
Cleavage: 1; Parallel to {001}
Tenacity:
Streak:
Synonyms/varieties:
Comments:
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