Formula: Ca2MnSi2O8(OH)4 . 9H2O
Origin of name: From Algonquin Indian word, kittatinny, meaning endless hills, referring to Franklin, NJ, area
Crystal system: Hexagonal
Crystal class: 6/m 2/m 2/m
Twinning:
Unit cell:
Colour: Bright yellow
Diaphaneity:
Luster: Vitreous
Habit: Crystals extremely thin, to 0.2 mm diameter
Hardness: ~ 4
Specific gravity: 2.61
Cleavage: 1; {0001} perfect
Tenacity:
Streak: Yellow
Synonyms/varieties:
Comments:
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