General Information:
Chemical Formula:
(Fe+++,Fe++)2(Fe++,Ti)O5
Environment:
Magmatic, post-volcanic or young volcanic rocks.
IMA Status:
Approved IMA
Locality:
Vesuvius and Etna, Italy.
Name Origin:
From the Greek pseudo - "I mislead" and the mineral brookite.
Physical Properties:
Cleavage:
[010] Poor
Color:
brownish black, reddish brown, or black.
Density:
4.4
Diaphaniety:
Opaque
Habits:
Crystalline - Fine - Occurs as well-formed fine sized crystals., ,
Hardness:
6 - Orthoclase
Luminescence:
Non-fluorescent.
Luster:
Adamantine - Metallic
Streak:
brown
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