Large black tourmaline with hyalite Aragonite The alternating zones of green

The alternating zones of green and purple muddle to give the material its inky grape-soda appearance

Inclusions make the point near-opaque with a gradient to translucent at the base

A snow-drift of white quartz flows out of the darkness

which is also found at this locale

Large black tourmaline with hyalite Aragonite The alternating zones of greenLocale: Erongo Mountain, Namibia Approx dimensions: 3. 25 x 2. 5 x 2. 25" Approx weight: 645g This large glossy black tourmaline, known as schorl, has the Mercedes termination characteristic of the Erongo region with intricate growth patterns across the faces of the tip. The sides are beautifully striated, with fine vertical lines and a chunkier accordion zig zag to the sides of the crystal. Erongo schorl typically has very high luster as seen in this