Black Obsidian Stone Pitted Edge Large Circle PendantDESCRIPTION Thought to have been used to make the designs in the stone at the temples, black obsidian is a volcanic glass stone from Sicily. Our Black Obsidian Pendant is a homage to the tools used to make the temples the beautiful, unique spaces they are. Like the Red Ochre Marble Stone Pendant and the Green Marble Stone Pendant, this piece looks best layered with the Creativity Pendant. MATERIAL 316L Stainless Steel with 18k Gold Plating.