Black Tourmaline Top Polished Points / 1.5-3" AVG - 1 KILO LOT

Quantity: 1 kilogram

Average size range: 1.5 to 3 inches

Formed when boron forms compounds with iron-sodium molecules, Schorl black tourmaline, or simply black tourmaline, derives its name from the German village of Zschorlau where it was first discovered in a nearby tin mine in the late 1300s.