Mineral: Tourmaline (varitety Schorl) on Albite and Hyalite
Locality: Erongo Mountain, Usakos, Erongo Region, Namibia
Dimensions: 40mm x 40mm x 40 mm

Description: the crystal is perfect. There is minor Hyalite that is green under shortwave UV;

All pictures, text, design © Forum FMF 2006-2024