River Stone 8mm Round - Large Hole Beads HPS03032022 With the possible exception of

With the possible exception of the horizon meeting the bright blue sky on a perfect summer day

An aluminum silicate mineral

it is exclusively sourced from a single small deposit in the desert of Madagascar

It sometimes features dark brown to black dendritic inclusions that branch like tiny tree limbs through the stone

River Stone 8mm Round - Large Hole Beads HPS03032022 With the possible exception 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.