Ice Obsidian 13x18mm Rectangle - 8-Inch liquidate_b the resulting rock is dark

the resulting rock is dark gray to deep black in color and riddled with pits and holes where air was trapped in the stone

Kunzite was named after a former Tiffany & Co

Opalite can have a blue appearance when placed against a dark background and appear milky white with a pink or orange glow against a light background

chrysocolla

and can even be used to cut Beadalon Jewelry Cable up to

Ice Obsidian 13x18mm Rectangle - 8-Inch liquidate_b the resulting rock is darkIce 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.