15dm724 ((AURIFEROUS PHYLLITE)), $7 MINIMUM BID, Ropes Gold Mine, Marquette County, Michigan, 10 x 3 x 3 cm, Cabinet, | |
Here is a drill core sample of Phyllite. The visable sparkling golden color, I believe is Pyrite. The Auriferous is probably not visable Gold. There is also Auriferous Pyrite listed in mindat.org Dennis McMurdie collection. |