Formula: (Fe,Fe)2(Ti,Fe)O5
Origin of name: from Greek pseudo = false and brookite
Crystal system:
Crystal class:
Twinning:
Unit cell:
Colour: black, brownish black to reddish brown
Diaphaneity:
Luster: metallic, adamantine
Habit: crystals tabular, vertically striated, prismatic or acicular
Hardness: 6
Specific gravity: 4.39
Cleavage: 1; {010} distinct
Tenacity: subconchoidal to uneven, brittle
Streak: reddish brown to yellow
Synonyms/varieties: kennedyite
Comments:
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