Ice Obsidian 13x18mm Rectangle - 8-Inch 5mm Light Blue Matrix Black Tourmaline is a black

Black Tourmaline is a black crystalline aluminum borosilicate mineral with occasional light gray inclusions that appear as flecks or veins

helping users to get in touch with their true self

Specialists soak the stones in resin or liquid plastic to help harden them

which may form green stains or specks on Azurite crystals or aggregates

Ice Obsidian 13x18mm Rectangle - 8-Inch 5mm Light Blue Matrix Black Tourmaline is a blackIce 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.