- Thumbnail, 2.6 x 2.4 x 1.3 cm
- West Colusa Mine, Butte, Butte District, Silver Bow Co., Montana, USA
Butte enargites are probably the finest on earth. This outstanding, pristine thumbnail crystal has sharp, textbook crystal form, along with being beautifully striated with metallic-gray luster. Classic, old-time material from the West Colusa Mine. Ex. Harvard, Scalisi, and George Feist (#2494) Collections.