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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