Rough High Quality Black Tourmaline / 1-4" AVG - 1 KILO LOT
SKU: RNSBT-DG-1KG
$11.48
Quantity: 1 kilogram
Average size range: 1 to 4 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.