Formula: Pb4Fe3O8(OH,Cl)
Origin of name: From Greek aima - blood and phainomai - to appear
Crystal system: Tetragonal
Crystal class: 4/m 2/m 2/m
Twinning:
Unit cell:
Colour: Dark reddish brown
Diaphaneity: Opaque
Luster: Submetallic
Habit: Crystals thin tabular; lamellar aggregates
Hardness: 2 to 3
Specific gravity: 7.70
Cleavage: 1; {001} nearly perfect
Tenacity:
Streak: Yellowish red
Synonyms/varieties:
Comments:
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