In this piece heavily crystallized, very dark green atacamite crystals have grown on drusy quartz over tufts of green malachite. The needle-like crystals are quite lustrous. This piece is from the Lily Mine, Pisco Umay, Ica Department, Peru. The overall dimensions are 10 cm wide by 8.2 cm tall by 8.9 cm front to back. There is light contact damage on this piece.