Can The Mixture Of Sand Rutile Ilmenite And

2019115rutile is a common accessory mineral in hightemperature and highpressure metamorphic rocks and in igneous rocks thermodynamically, rutile is the most stable polymorph of tio 2 at all temperatures, exhibiting lower total free energy than metastable phases of anatase or brookiteonsequently, the transformation of the metastable tio 2 polymorphs to rutile is irreversible.