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Iridescent Bornite
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Collection |
John Betts - Fine Minerals |
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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.
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Locality |
Leonard Mine, Butte Mining District, Summit Valley, Silver Bow County, Montana |
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Dimensions |
7 x 5 x 4 cm. |
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Specimen Grade |
A |
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Photograph |
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