River Stone 10mm Round - Large Hole Beads 8X10mm It is often thought of

It is often thought of as an all-black stone

It is found only in a four square mile area in a remote mountain range of Chihuahua

Waxes and oils used to be the favorite method for improving its appearance

once spewed through fractures in the planetary crust or from a volcanic eruption

white and reddish brown in speckles

River Stone 10mm Round - Large Hole Beads 8X10mm It is often thought ofRiver 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.