Rutile is the preferred polymorph of TiO2 in such environments because it has the lowest molecular volume of the three polymorphs; it is thus the primary titanium bearing phase in most high pressure metamorphic rocks, chiefly eclogites.

Shape: Rice

Size options: NO1      7*10mm      40 beads per strand    15.5in

                   NO2     10*14mm   29 beads per strand    15.5in

The listed price is for NO1 strand.