1.4" PYRITE on Matrix w/Black Lustrous BORNITE Coating Milpillas Mine for sale
Availability: In Stock
This is a very good example of this oddity from Tucson 2016: It is a pyrite crystal in matrix, with complex faces, all colored a shiny metallic black due to a thin coating of bornite. This comes from a find made in 2013, though it didn't reach market until a few years later. No damage.
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