925 Sterling Silver Jade, Crystal, Jasper and Serpentine with 2in ext Necklace, 18" Length Jewelry: Necklaces Polished; Sterling silver; Jade; Fancy lobster; Crystal; Jasper; 2in extension; Serpentine Material: Primary - Purity: 925, Stone Type-2: Crystal, Stone Color-1: Green, Stone Color-2: Green, Chain Length: 18 in, Charm/Element Length: 15 mm, Charm/Element Width: 20 mm, Clasp /Connector: Lobster (Fancy), Extender Length: 2 in, Feature: Solid, Manufacturing Process: Extruded, Material: Primary: Sterling Silver, Product Type: Jewelry, Jewelry Type: Necklaces, Sold By Unit: Each, Necklace Type: Gemstone, Material: Primary - Color: White, Stone Type (Other)-1: Jade, Stone Type (Other)-3: Jasper, Manufacturing Process 2: Die Struck