Locality: Milpillas Mine, Cuitaca, Santa Cruz Municipality, Sonora, Mexico
Size: 48 mm x 28 mm x 15 mm (1.9 in. x 1.1 in. x 0.6 in.)
Weight: 27 g (0.9 oz.)
Nice miniature of deep green malachite after azurite from a famous Mexican locality. Crystals to 14 mm.
A pseudomorph forms when a mineral (malachite, in this case) replaces another (azurite), but retains the form of the original mineral.