
Black tourmaline "Schorl" variety: crystals of about 1.5 cm isolated or interpenetrated, squat, twin terminated and well formed with a prismatic habit terminated by a bipyramid; the luster is resinous almost sub-metallic. The matrix is composed of milky white lamellar quartz
Origin: Erongo - Namibia
Size: 4x3 cm
Thickness: 2 cm
Weight: 33 g