Iridescent Bornite
Iridescent Bornite from Leonard Mine, Butte Mining District, Summit Valley, Silver Bow County, Montana
Collection John Betts - Fine Minerals
Description Highly iridescent Bornite embedded in gray matrix. The Bornite has bright blue to violet iridescence on the weathered surfaces but shows yellow color on the sawn bottom where it was freshly exposed. The coloring may have been also been enhanced by acid.
Locality Leonard Mine, Butte Mining District, Summit Valley, Silver Bow County, Montana
Dimensions 7 x 5 x 4 cm.
Specimen Grade A
Photograph © www.johnbetts-fineminerals.com - All Rights Reserved.

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