Ice Obsidian 10x20mm Double Drill - 8-Inch Rocky Black Gold Amazonite is a

Black Gold Amazonite is a member of the Feldspar family and varies in hue from robin’s egg blue to blue-green to black

whose color often caused ancient jewelers to confuse it with Emerald

being found in metamorphic and pegma

Porcelain Agate is a natural agate that is dyed and heated to give it the unique blue color and pattern that resembles porcelain

Rhodonite belongs to the Pyroxenoid group of minerals

Ice Obsidian 10x20mm Double Drill - 8-Inch Rocky Black Gold Amazonite is aIce 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.