Natural Turquoise, Orange Spiny Oyster and Blue Lapis Lazuli slightly graduated beads are strung with .925 sterling silver flex hook and extender chain. Length is 18” with 2 3/4” extender chain *Blue Turquoise - Nuggets 5x4mm to 8x7mm -mined in China Heavenly Well Lake deposit *Spiny Oyster Shell- Oval- 6x12mm to 7x14mm Disc- 5x3mm to 6x3mm -harvested in Mexico *Blue Lapis - Disc 5x3mm to 6x3mm -mined in Afghanistan All measurements are approximate This piece is handstrung with Soft Flex — a flexible beading wire that helps improve the strength, durability and longevity of the jewelry design. Stamped DTR 925 on flex hook for 92.5% sterling silver by Desert Rose Trading | Mine Finds by Jay King. Last photo is brand/stock photo, not actual piece. 2nd to last photo is this necklace worn layered with same necklace in Blue Lapis, not included.