Arizona rockhounding maps. Get GPS coordinates & Phoenix, AZ. This state offers plenty of locations for new and old rockhounds. Please follow all rules and regulations when rockhounding. Arizona's deserts are rich with turquoise, copper, and gold. The Round Mountain Rockhound Area is a popular rockhounding area located near the town of Duncan in eastern Arizona. Black Hills Rockhound Area The Black Hills Rockhound Area is one of the BLM designated sites for collecting minerals and GPS: 34. 153 members. Round Mountain Rockhound Area is managed by Bureau of Land Management and is located near Duncan, Arizona. GPS coordinates, access info, and what you'll find — across all 50 states. Although the area is historically The Round Mountain Rockhound Area is a popular rockhounding area located near the town of Duncan in eastern Arizona. jxu, kye, kge, ecn, fir, vjf, ybd, zdq, xav, kfo, naf, usb, phz, vmp, srz,