Enargite with Pyrite and Quartz
Butte, Silver Bow County, Montana, USA
Specimen size: 6 × 3.5 × 4.5 cm.
Main crystal size: 2.4 × 2.4 cm.
Mined about 1948
Former collection of Folch duplicates
Photo: Reference Specimens (Author: Jordi Fabre)
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