- Small Cabinet, 6.6 x 5.3 x 3.6 cm
- Goldfield District, Esmeralda Co., Nevada, USA
This is a rare potassium, iron, sulfate, hydroxide usually found in arid environments, such as Goldfield. In this case, we have a sparkling druse of reddish-brown, crystals on a pitted, vuggy matrix. Ex. Richard Hauck Collection.