Formula: (Mn,Al)AlSiO5
Origin of name: From localite, Kanona, Zambia
Crystal system: Orthorhombic
Crystal class: 2/m 2/m 2/m
Twinning:
Unit cell:
Colour: Greenish-black
Diaphaneity:
Luster: Vitreous
Habit: Anhedral nodular porphyroblasts
Hardness: 6.5
Specific gravity: 3.39
Cleavage: 1; {110} poor or imperfect
Tenacity:
Streak: Grey-green
Synonyms/varieties:
Comments: Series with andalusite
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