River Stone 10mm Round 15-16 Inch Mookaite usually in white on hues

usually in white on hues of brown

According to Norse legend

which may form green stains or specks on Azurite crystals or aggregates

Moonstone naturally occurs in a broad spectrum of colors

The most precious Fire Opal has flashes of iridescence and is known as Precious Fire Opal or “Firmament Stone

River Stone 10mm Round 15-16 Inch Mookaite usually in white on huesRiver 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.