Golden Obsidian 10mm Round - 15-16 Inch DSforGB12272022 giving some rubies a slightly

giving some rubies a slightly brownish or purplish tint

Blood Quartz is a clear to milky to white silicon dioxide mineral

Moonstone is a Feldspar mineral that was used in Roman jewelry nearly 2

Mohs Hardness: 7

so named because the ancient Incas believed the stone to be the petrified blood of their ancestral rulers

Golden Obsidian 10mm Round - 15-16 Inch DSforGB12272022 giving some rubies a slightlyGolden Obsidian is a naturally occurring volcanic glass, shiny black with a golden sheen. Obsidian is produced when lava erupts from a volcano and cools rapidly with minimal crystal growth. It is sometimes used for scalpel blades in cardiac surgery, as Obsidian can be formed into a blade many times sharper than steel surgical blades.