Green Chalcedony 8mm Round - 15-16 Inch Stone Type_Bloody Iolite Black Opal is a naturally

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

and it has been used throughout history for various purposes

Aquamarine is a transparent to translucent stone ranging from cerulean blue to light blue in higher grades

thought to be derived from trace amounts of titanium

Dog Teeth Amethyst has a purple and white striped appearance due to its combination of Amethyst and White Quartz

Green Chalcedony 8mm Round - 15-16 Inch Stone Type_Bloody Iolite Black Opal is a naturallyBlue Chalcedony is a naturally occurring soft blue translucent stone. It is a member of the Quartz family, a form of silica with a cryptocrystalline structure that incorporates Moganite along with the Quartz. Known in antiquity as the Speakers Stone, it is believed to have been worn Cicero, the great Roman orator.