Chalcopyrite
Specimen ID: YC3-UKY
Chalcopyrite : CuFeS2
Mindat locality:
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Photo added to mindat.org
“we are sure that it is Calcopyrite?!?!
Field of view 2 mm - Max Width of Cristall 0.597 mm. Coll and Photo. Merlo Pietro ”
Pietro Merlo - 7th January 2013
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