Chrysocolla, Yellow Onyx Gemstone 925 Sterling Silver Jewelry Necklace 18" MQ-1218

Chrysocolla can be found wherever large copper deposits occur, such as Africa, Mexico and the U.S. state of Arizona (where it is called Apache chrysocolla). Chrysocolla from the state of Arizona is a mixture of chrysocolla, turquoise, jasper, lapis, malachite and quartz crystal minerals.