A beautiful, silky-smooth surface and satin finish, black silk stone is an onyx marble. Beads feature black banding wraps around a grey-to-white background.
The soft nature of the stone makes it an ideal choice for use in short necklace and earrings designs that are protected from heavy abuse.
Beads>Grade C>Black Silk StoneBeadsGrade CBlack Silk StoneMulti-coloredBall6mmNaturalhttp://www.firemountaingems.com/itemdetails/h209294gsH209294GSBead, black silk stone (natural), 6mm round, C grade, Mohs hardness 4. Sold per 16-inch strand.//image1.fmgstatic.com/images/p9294gsb(3).jpg7.617.61As Low As $3.63 per strand