RH47K8: Small but numerous groups of fibrous Cuprite crystals (Chalcotrichite), very bright and vivid red in color, on laminar growths of native Copper on matrix. The locality, a classic for Chalcotrichite (and for native Copper), makes this specimen even more interesting.
Ray Mines, Scott Mountain area, Mineral Creek District, Dripping Spring Mountains, Pinal County, Arizona  USA (±1971)

Specimen size: 12.2 × 7.4 × 4 cm = 4.80” × 2.91” × 1.57”