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0 item @ $0.00  

Pseudobrookite with Biotite

#33786

Pseudobrookite with Biotite

#33786
Availability
Sold
Size
3.5 x 3.5 x 3 cm - Miniature 
Formula
(Fe3+2Ti)O5 (RRUFF)
Locality
nr. Robinson Summit, White Pine Co., Nevada, United States

Tiny black crystals of Pseudobrookite to <1mm with very thin platy brown Biotite crystals to 2mm and tiny rod-like Ilmenite crystals in an open 2cm Albite lined vug in Rhyollite/Andesite matrix.

Pseudobrookite

Formula
(Fe3+2Ti)O5 
Crystal System
Orthorhombic 
Crystal Habit
Crystalline - Fine 
Cleavage
Poor, None, None 
Luster
Adamantine - Metallic 
Color
brownish black, reddish brown, black 
Streak
brown 
Class
Orthorhombic - Dipyramidal 
Fracture
Uneven 
Hardness

Data courtesy of Webmineral.

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