Natural Ammolite Fossil Mineral Stone with Zircon Pave Edging, Necklace Pendant Material: Natural Ammolite Fossil Mineral Stone, Zircon Pave, Brass Type: Double Sided shell shaped Measurement: 38-45mm long by 30-37mm wide, 10-14mm thick Bail: 10mm long, 3mm thick, 7mm wide, pave over brass Weight: 20-25 grams a piece