A Perfect Staurolite Polished Crystal on Matrix from Russia - 1.3"

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: 3.3 x 3.2 x 0.6 Centimeters
Weigh: 10.7 Grams