- Aragonite (Var: Plumboan Aragonite)
- Tsumeb Mine (Tsumcorp Mine), Tsumeb, Otjikoto (Oshikoto) Region, Namibia
- Cabinet, 10.3 x 6.8 x 6.4 cm
An impressive, old-time, cabinet-sized cluster of large aragonite variety tarnowitzite crystals from the Tsumeb Mine. The very large, to 5.5 cm, pearlescent crystals have pyramidal terminations with tapered bodies. All of the myriad major crystals are damage-free. Ex. John Ydren Collection and according to his label, he obtained this piece from dealer Willard Perkin in 1961.