Discover this impressive mineral specimen featuring a lustrous black, angularly grown schorl tourmaline crystal. This wonderful crystal is harmoniously intergrown with white-beige orthoclase crystals and hyalite crystals. Particularly fascinating is the property of the hyalite crystals, which glow a brilliant neon yellow under UV light, giving the specimen additional visual appeal. The specimen measures 42 x 40 x 27 mm and weighs 43 g. It comes from the renowned Erongo region of Namibia and is a true rarity for collectors and mineral enthusiasts.
