Product Description

Rock Type:  Chloritized biotitite

Location:  Brazil

Description:  Biotite grains (orange-yellow) have been chloritized (green) along grain margins and cleavage planes. Green chloritized Ti-biotite-phlogopite solid solution with ilmenite grains (black) interior to the laths.  Ragged altered sphene domains after Ti-magnetite with ilmenite exsolution lamellae still preserved.  The rock was studied for its titanium-vanadium potential.