• conductive
• brassy yellow
• opaque, massive copper ore
• metallic luster
• black streak

Chalcopyrite

• this brassy yellow sample has been polished on one side to show the bright shiny metallic luster
• It is a copper ore and contains a number of metals including nickeline
• The broken edges show an iridescent blue-green color coating that is common on surfaces exposed to the air

SPECIMEN ORIGIN: ZCA Mine, Pierrepoint, New York, USA