Assertion: bornite | /r/HasProperty | an ore mineral of copper
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text: Bornite is an ore mineral of copper, and is known for its iridescent tarnishpeacock ore", which is sold to amateur mineral collectors and tourists, is often labeled as a variety of bornitewever, most peacock ore in reality is chalcopyrite treated with acid, which produces a strongly-colored iridescent tarnishrnite is named for ignatius von born, an austrian mineralogist and.