Tumbled Black Tourmaline Confetti Chips / 4-7mm AVG - 1 KILO LOT

Quantity: 1 kilogram

Average size range: 4 to 7 millimeters

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.