Product Description

Rock Type:  Chloritized biotitite

Location:  Brazil

Description:  Reflected light image of chloritized biotite (grey-brown) with Fe-Ti liberated during retrogression to form clots of coarse-grained ilmenite (white grains).  Ragged domains of altered sphene after Ti-magnetite with ilmenite exsolution lamellae still preserved.  The rock was studied for its titanium-vanadium potential.