This necklace is made with a teardrop natural ammonite gemstone. The ammonite measures 3/4 x 7/8 inch and possesses hues of brown, golds and soft whites. The gem is wrapped in fine silver (.999) and set on sterling silver (.925). The setting has been adorned with sterling silver elements and measures 1 7/8 x 1 1 /8 inch. The piece was oxidized and polished. You can choose from just purchasing the pendant or with two chains: an 18 inches long, sterling silver chain with a sterling lobster claw cl