River Stone 5x8mm Rondelle - Large Hole Beads Marquise It is a variety of

It is a variety of the mineral corundum

Viking explorers used thin pieces of Iolite as the world’s first polarizing lens to help them determine the exact location of the sun for navigation

The color of Green Aventurine comes from Fushite particles within the quartz

and it can be mottled or striated with veins of these colors

Canada in 1770 and named for the area

River Stone 5x8mm Rondelle - Large Hole Beads Marquise It is a variety 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.