A Perfect Staurolite Crystal on Matrix from Russia - 1.8" - 27.5 Grams

A perfect Staurolite 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: 4.7 x 2.6 x 1.6 Centimeters
Weight: 27.5 Grams