Sterling Silver & Faceted Gray Stone Heart Pendant Necklace

Sterling Silver & Faceted Gray Stone Heart Pendant Necklace. In gently preowned condition with some worn spots to the metal on the pendant (see circled pics). Dark gray metallic looking faceted round stones (could be hematite). Snake chain that threads through the top of the heart pendant. Stamped 925 on the back. Stamped 925 on the spring ring closure. Both test positive for sterling silver. Chain measures 18” and is not adjustable