River Stone 8mm Round - Large Hole Beads clover and was prized in ancient

and was prized in ancient times for the ultramarine dye derived from it

Obsidian ranges in color from opaque black

A natural blue form of calcium sulfate

Opalite is the trade name for man to made glass treated to exhibit the internal flashes of true Opals in translucent samples

Russia and Brazil

River Stone 8mm Round - Large Hole Beads clover and was prized in ancientRiver Stone is a form of limestone composed of quartz, calcium carbonate and other materials. Naturally beautiful, it offers a way to work a neutral color into your designs. This stone is relatively soft, according to the Mohs hardness scale, so treat it gently.