Ice Obsidian 10x20mm Double Drill - 8-Inch 48HR_07182023 its coloring is the result

its coloring is the result of the chemical reaction that occurs when copper is introduced to water

but Sonoran Mountain is unique because it is often found in clay deposits as nuggets

Boulder Opal is a golden-brown to dark brown stone

Maintain the beauty of your chain by avoiding contact with water

Potato pearls are roundish and slightly irregular in shape

Ice Obsidian 10x20mm Double Drill - 8-Inch 48HR_07182023 its coloring is the resultIce Obsidian is a light brown to green to gray volcanic stone. Obsidian is formed when felsic lava cools without 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.