1.Black Stone 2.Various shapes and sizes 3.Suitable for necklace and other accessories 4.Weight:about108g/string We produce ... beads, red jasper, aventurine, picture jasper, black onyx, moonstone,turquoise, quartz,black stone,obsidian,crystal,jet etc. Our design includes ... and look forward to the further expansion of trade to our mutual benefit.Factory Office 12mm round black stone gemstone loose bead