BLT173 Black Tourmaline Brazilian Agates The picture in the lower

The picture in the lower right shows what the material looks like cut and polished

This specimen pair features red

It is important to note

by Stewart M

BLT173 Black Tourmaline Brazilian Agates The picture in the lowerLarge Black Tourmaline crystal. 4. 25" x 3. 75" x 4. 75" 5. 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 iron,