2.4" Black Tourmaline (Schorl) & Goshenite Association - Namibia

This is an association of goshenite crystals and black tourmaline (schorl), collected from the Erongo Mountains in Namibia.

Goshenite is a white to colorless variety of Beryl.

Tourmaline is a crystalline boron silicate mineral compounded with elements such as aluminium, iron, magnesium, sodium, lithium, or potassium. Schorl, or black tourmaline, is the most common form of tourmaline, and has been used for everything from jewelry to piezoelectric guitar pickups.