Freeform Cabs > Buttons Barrels Etc Onyx Freeforms Wire Wrapping Stones Dyed chalcedony green Agate some refer to as Onyx Onix polished rough gemstone single Sort of roundish button like solitaire for wire wrapping or use in around 8.5mm cabochon setting Onyx Freeforms Wire Wrapping Stones http://facetroughgemstones.com/gem-store/product_info.php/products_id/4013
