Well done. You just demonstrated your ignorance. A geo that can't see a difference between pentlandite and pyrrhotite and pyrite by eye would have failed ore petrology at uni.
Here, I'll do your research for you. Compare the colours below to the core photos in the ANN.
Po - pyrrhotite
Py - pyrite
Ccp - chalco (couldn't see any obvious chalco in the core photos)
Pn - pentlandite
Ann: Eastern Mafic Hits Massive Sulphides, page-49
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