Aragonite (variety nicholsonite) - Tsumeb Mine, Namibia - 6.1 x 5.3 x 4.0 cm.

Mineral: Aragonite (variety nicholsonite)
Locality: Tsumeb Mine, Tsumeb, Otjikoto Region, Namibia
Dimensions: 6.1 x 5.3 x 4.0 cm.

Description: Opaque white pseudohexagonal crystals of zinc-bearing aragonite known as nicholsonite on a gray matrix with micro crystals of green duftite.