Black tourmaline, or schorl, is the most common tourmaline variety and a favorite among collectors for its jet-black coloration and distinctive trigonal crystal structure. This iron aluminum borosilicate mineral forms striking prismatic crystals often with triangular cross-sections and sharp terminations. Black tourmaline specimens are valued both for their aesthetic display appeal and for their metaphysical significance, making them popular across diverse collector interests.Black tourmaline deposits occur globally, with significant sources in Brazil, Madagascar, the United States, Pakistan, and Australia. This mineral forms in granite pegmatites, metamorphic rocks, and hydrothermal environments. Notable American specimens originate from California and Maine, while Brazilian and African deposits produce exceptional crystals, some reaching museum-quality dimensions with pristine terminations.Browse our black tourmaline specimen collection featuring superior crystals from world-renowned localities. Our selection includes terminated crystals, matrix specimens, and polished pieces suitable for all collector levels. Discover black tourmaline specimens that showcase the striking beauty of this common yet always-impressive mineral variety.