Natural Schorl / Black Tourmaline Crystals - Sold per 1 Kg (60 to 90 pieces) - From Zimbabwe Gemmy formed in metamorphic rocks like

formed in metamorphic rocks like shale or schist under intense heat and pressure

Grade =  Good To Very Good Grade

Size = 80 - 83 mm

are accurate descriptors for this material

Natural Schorl / Black Tourmaline Crystals - Sold per 1 Kg (60 to 90 pieces) - From Zimbabwe Gemmy formed in metamorphic rocks likePRODUCT DESCRIPTION Zimbabwean Black Tourmaline Zimbabwean Black Schorl Tourmaline specimen, some showcasing the iconic "Mercedes star" termination and some stunning quartz matrix specimens. Sourced from alluvial deposits, these pieces features jet black, prismatic Schorl crystals, some with rare trigonal terminations resembling a three pointed star, elegantly embedded in or protruding from a sparkling clear to milky quartz matrix. PRODUCT MINERALS