RB59M3: Group of complex Calcite crystals, translucent and with a intense brilliance, accompanied by centered acicular green Brochantite crystal growths.
This sample was purchased from Hugh A. Ford, of New York, in 1959. The piece is accompanied by a handwritten label and a card (Nr. 2974) from the Folch Collection.
Bisbee, Warren District, Mule Mountains, Cochise County, Arizona  USA (±1959)

Specimen size: 3.7 × 3.3 × 2.7 cm = 1.46” × 1.30” × 1.06”

Main crystal size: 0.7 × 0.6 cm = 0.28” × 0.24”