Gem Beads > Tourmaline Beads Tourmalines Drilled Stringing Gems Beads Pretty nice tumble polished loose natural gem stones stringing beading material One shiny black Schorl Tourmaline gem stone specimen drilled chunky rough nugget necklace pendant bead Cut shaped formed focal beads jewelry gems pieces singles solitaires , for wire wrapping etc. Tourmalines Drilled Stringing Gems Beads http://facetroughgemstones.com/gem-store/product_info.php/products_id/3759