CG57AL3: Polycrystalline complete floater of very sharp octahedral Cuprite crystals, with brilliant, slightly curved faces and edges and with minor crystals of Marshite
The specimen comes from the Carles Curto collection (no. 2011.36), whose label and information sheet we will send to the buyer.
Poteryaevskoe Mine, Rubtsovsky District, Altai Krai  Russia (2011)

Specimen size: 4.2 × 3.3 × 3.2 cm = 1.65” × 1.30” × 1.26”

Main crystal size: 3.2 × 3.2 cm = 1.26” × 1.26”