Luster - Metallic

Hardness - 2.5-5.5

Streak=Black/Gray

No Apparent Cleavage

Chalcopyrite
CuFeS2

Black Streak

No Cleavage

Bronze yellow, but often tarnishes to an irridescent blue-purple. Similar to pyrite, but never in cubic crystals. H=3.5-4.0

Your Mineral is Chalcopyrite!

 

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