BLT193 Black Tourmaline Intarsia Beads Additionally the rock can contain

Additionally the rock can contain tube formations

and is fairly irregularly shaped

Aquamarine is the birthstone for March

have not been heated or smelted in any way

BLT193 Black Tourmaline Intarsia Beads Additionally the rock can containBlack Tourmaline crystal with termination. 3. 5" x 3" x 2. 5" 1. 55 lb Black Tourmaline is also called Schorl, and accounts for ninety five percent of all Tourmaline in nature. It is black, or sometimes a deep blue that appears black. The term Schorl was in use before the 1400s, named for a town in Saxony, Germany, where Black Tourmaline was found in nearby tin mines. Black Tourmaline belongs to a complex family of aluminum borosilicate mixed with