Shop › Kingman Spiny Oyster TC#287 Image 1 of 1 Kingman Spiny Oyster TC#287 $25.00 Kingman Spiny Oyster turquoise cabochon. Stabilized and ready to be set in jewelry. Add To Cart Added! Kingman Spiny Oyster turquoise cabochon. Stabilized and ready to be set in jewelry.