Malachite, Sherman Mine, Leadville, Lake County, Colorado, Kalaskie Collection #548, Miniature 2.0 x 3.0 x 5.5 cm, $250. Online 2/27.
Botryoidal malachite: note that matrix shows casts, likely after cuprite. Nicely balanced miniature and in excellent condition. Rarely seen on the market. Classic Colorado locality. Betty Kalaskie Collection #548; Kalaskie purchase in 1989 from Robert Stoufer- miner in the district).