Formula: Fe2O3
Origin of name: Combination of magnetite and hematite
Crystal system: Cubic
Crystal class: 432
Twinning:
Unit cell:
Colour: Brown
Diaphaneity: Nearly opaque
Luster: Dull
Habit: Massive
Hardness: 5
Specific gravity: 4.90
Cleavage: None
Tenacity:
Streak: Brown
Synonyms/varieties:
Comments: Dimorphous with hematite; strongly magnetic
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