- Chalcanthite, Aragonite
- Cabinet, 9.8 x 4.6 x 2.1 cm
- Tsumeb Mine (Tsumcorp Mine), Tsumeb, Otjikoto (Oshikoto) Region, Namibia
Chalcanthite overgrown and intermixed with Aragonite, from Tsumeb. Note how thick the growth is, that this is not a crust but rather many generations of layering one atop the other making for a thick specimen. Ex. Willy Israel Collection.