Tourmaline, Schorl cluster - Minas Gerais, Brazil (MS2902d)
Shipping calculated at checkout.
Lots of nice, Discrete Tourmaline crystals have inter-grown into a palm-sized specimen weighing about 40 grams and measuring about 60mm x 40 mm x 25mm. Other minerals, such as feldspars add contrasting color. The yellow cube is a typical bouillon cube, measuring about a half-inch on a side, photographed for size reference.