Custom cut, polished and wire wrapped Obsidian Earrings in Sterling Silver Wire .935
size : 1 3/16 x 5/8 inches or 30 mm x 10 mm
Obsidian is an igneous rock that forms when molten rock material cools so rapidly that atoms are unable to arrange themselves into a crystalline structure. It is an amorphous material known as a " mineraloid." The result is a volcanic glass with a smooth uniform texture that breaks with a conchoidal fracture