This superior quality Ethiopian opal bead necklace is strung in the center with handcrafted natural Ethiopian opal beads showing fine natural color play and with 2mm faceted natural black spinel beads! The opals and spinel's are completely natural with no treatments of any kind. ***The superior grade opal beads have beautiful flashes of natural color play at different angles as you turn the necklace. The opal beads are gradational in size measuring from 3mm up to 4mm in diameter at the center of this beautiful necklace. ***See also a full view of this 100% natural Ethiopian opal with black spinel necklace. Ethiopian opal with black spinel necklace with an adjustable length from 17.5 to 19 inches long ***Precious opals were mined ethically and respectfully in the Welo Province of Ethiopia Opal is very popular for metaphysical use - Opal is said to stimulates originality and creativity, also to helps release anger and claim self worth, aiding in expressing one's true self. Opal is also said to strengthens memory. This gorgeous necklace come inside a gift jewelry box together with a silver cleaning cloth. ***A Certificate of Authenticity from our main website mineralminers.com will accompany this item together with a silver jewelry cloth. At MineralMiners.com your satisfaction is our top priority! We guarantee Unique Items, Superb Energy and Collector Quality at Miner's Prices! ? Have a "Gem" day!