One of a kind. Statement necklace featuring 8 green marble square stones and a center stone made of black tourmaline. Features geometric shapes with square beads, faceted stones, vintage brass bars and a square brass chain. Necklace measures 26 inches (66cm) with an additional 2.5 inch (6cm) extender. Black tourmaline stone measures 1 x .5 inches, and components and chain are made of brass. Handmade in Brooklyn.