A Perfect Staurolite Polished Crystal on Matrix from Russia - 2.4"

A perfect Staurolite polished crystal on matrix from Russia. It is a 90 degree cross, which is of the rarest form of all Staurolite crystals, and most valued.
Location: Kola Peninsula, Russia.
Size: 6.3 x 4.7 x 1.9 Centimeters
Weigh: 66.9 Grams