Malachite, Copper, Cerussite
Thumbnail, 2.6 x 1.6 x 1.4 cm
Tsumeb Mine (Tsumcorp Mine), Tsumeb, Otjikoto (Oshikoto) Region, Namibia

Spherules of velvety green malachite pseudomorphous after copper partially enclose colorless crystals of gemmy and glassy cerussite, to 1.0 cm in length. The process which allows malachite to replace copper in nature is very rare. Neat combination piece! Ex. Charlie Key.