Courtesy WA Department of Natural Resources Washington state is a hotbed for minerals, gemstones ... Some hobby mining activities also are allowed. Rockhounding is permissible in many Bureau ...

LOOMIS, Wash. -- Washington state has added the abandoned Black Bear Mine in far north-central Washington to its list of hazardous sites for cleanup. The mine is located on the southwest side of ...

In Brazil, the company offers trips to mines in the state of Paraíba and Rio Grande Do Norte, the original locations of Paraíba tourmalines. Gems from these mines are among the rarest and most ...