Stunning Peruvian opal in a 925 Sterling silver backdrop with a 925 sterling silver thick wheat chain. Please see photos. It appears blue or green, depending on the light. Absolutely beautiful! Perfect for adding a touch of sophistication to any outfit. Other listings: modern celtic classic antique vintage VTG art nouveau art deco artisan woven geometric bohemian boho bauble old pawn designer signed unique unusual minimalist EUC cabochon pendant ring necklace bangle 10k 14k 18k Solid gold 925 sterling silver solitaire cluster diamonds sapphires, aquamarine, garnets, tigers eye turquoise rubies quartz moonstone onyx coral mother of pearl MOP tourmaline jade topaz ametrine carnelian tanzanite onyx amber pearls marcasite citrine fluorite spinel sodalite cross faith laboradite malachite sugilite druzy millefiori tourmaline opal peridot amethyst moissanite wedding rings anniversary birthday heirlooms keepsakes Fine jewelry earrings bracelets necklaces pendants watches Italy Elco Tiffany james Avery silpada unique cuff filigree dainty chunky American Southwestern Mexico Taxco Navajo Hopi Zuni town & Country Dweck Peyote Bird Carolyn pollack Begay heart horse owl