Our turquoise dangle earrings are handmade with natural Kingman turquoise gemstones in 14K gold filled or 925 sterling silver. Adds a gorgeous sky blue color to your look in a minimal drop style and goes with any occasion. Stones are from the Kingman mine in Arizona and some may have a little matrix or veining. Just let us know if you have a preference. Earwires are 20G french hook. About Kingman Turquoise: The Kingman Mine in Arizona is one of the oldest turquoise mines in America and was discovered over 1,000 year ago. Kingman turquoise can be a sky blue or green color, often with tiny sparkling copper inclusions or matrix and veining. Turquoise is the birthstone for December. Materials: Kingman turquoise gemstones 10-11mm x 6-7mm pear briolettes All metal components are 14K rose gold filled, 14K gold filled, or 925 sterling silver If you have any questions just click "message seller" on our homepage. Thank you for visiting our jewelry shop, Linda and Joe .