Pendant with chrysocolla blue on quartz

Pendant with chrysocolla copper on quartz with stunning patterns and colors of turquoise, copper and blue. It has a gold filled 14k over sterling silver hook and a chain of 20 inches long   Chrysocolla Bacan stone is known as the scientific term Chrysocolla in chalcedony or translated intoIndonesian, namely krisokola quartz. Bacan stones come from Kasiruta Island which is reached as far as 3-4 hours from Bacan Island, South Halmahera, Maluku. Because of the stunning appearance and color of the stones, Bacan stones are often sought after by people as jewelry The identical green, bluish, and blackish colored Bacan / chrysocole stones are caused by the process of changing the mineral element copper (Au) porphyry. The formation of porphyry deposits is related to hydrothermal processes. These deposits are carried by a solution of high temperature water and deposited under the surface. These porphyry deposits usually form Au metal deposits and are associated with the stockwork system. Stock