Natural Gemstone Cage Pendant Necklace with 304 Stainless Steel Cable Chains for Women, Stainless Steel ColorSize: about 0.06 inch(1.5mm) wide, 17.52 inch(445mm) long, round: 0.71x0.53 inch(18x13.5mm).âPlease Note: These Gemstone May Include Natural Green Aventurine, Rose Quartz, Lava Rock, Tiger Eye, Amethyst and so on(as the picture shows). but as it is a mixed product, the stone type is delivered randomly, please refer to the actual product delivered.