Our turquoise choker necklace is handmade with a natural turquoise gemstone shown on our rose gold cable chain. A dainty gemstone choker perfect for a December birthstone gift. Stones are from the Campitos Mine in Sonora, Mexico with a beautiful sky blue color and gold or silver pyrite inclusions. Stones are nugget shaped 7-8mm in size. Made in 925 sterling silver, 14K gold filled, and 14K rose gold filled About Campitos Turquoise: Campitos turquoise is a natural untreated stone mined in Mexico. Colors range from a dark to light sky blue, very similar to Sleeping Beauty turquoise, and stones have silver or gold pyrite inclusions. While most turquoise is found along veins in the host rock, these stones are found in clay material as free form nuggets. Materials: Natural Campitos turquoise gemstone 7-8mm irregular nugget shaped All metal components are 925 sterling silver, 14K gold filled, or 14K rose gold filled If you have any questions just click "message seller" on our homepage. Thank you for visiting our jewelry shop, Linda and Joe .