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: Flat round

Size options:    NO1      5*8mm         77 beads per strand     15.5in

                      NO2     8*12mm     52 beads per strand     15.5in

The listed price is for NO1 strand.