Formula: Mg7Fe4O13 . 10H2O
Origin of name: After locality; Muskox Intrustion, Northwest Terr., Canada
Crystal system: Hexagonal
Crystal class: Unknown
Twinning:
Unit cell:
Colour: Reddish-brown
Diaphaneity:
Luster: Vitreous
Habit: Crystals, minute, in aggregates; plates with hexagonal outlines
Hardness: ~ 3
Specific gravity: 3.20
Cleavage: 1; basal perfect
Tenacity:
Streak: Light orange-brown
Synonyms/varieties:
Comments:
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