River Stone 10mm Round - Large Hole Beads Miriam Stone Black Opal is a naturally

Black Opal is a naturally occurring variety of precious opal mined in Australia

a phenomenon that occurs when light hits the chips of silica inside the gemstone and a rainbow of different colors refract inside the stone

This variation mixes Blue Tiger Eye with Yellow Tiger Eye to bring out the best of each of the two stones

Copper within the Pectolite creates the beautiful blue and turquoise colors in the stone

" is like the deep blue evening skies often seen above deserts and winter landscapes

River Stone 10mm Round - Large Hole Beads Miriam Stone Black Opal is a naturallyRiver 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.