Pentlandite

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Pentlandite (light gold colored patches) (Fe,Ni)9S8 I with Chalcopyrite, Pyrrhotite, Slate, Eagle Rock Mine, Marquette Co.,Michigan

Pentlandite (light gold colored patches) (Fe,Ni)9S8 II with Chalcopyrite, Pyrrhotite, Slate, Eagle Rock Mine, Marquette Co.,Michigan

Pentlandite (light gold colored patches) (Fe,Ni)9S8, Eagle Rock Mine, Marquette Co.,Michigan

Pentlandite (light gold colored patches) (Fe,Ni)9S8 III with Chalcopyrite, Pyrrhotite, Slate, Eagle Rock Mine, Marquette Co.,Michigan

Pentlandite (light gold colored patches) (Fe,Ni)9S8 I, with Chalcopyrite, Pyrrhotite Eagle Rock Mine, Marquette Co.,Michigan

Pentlandite (light gold colored patches) (Fe,Ni)9S8 I, with Chalcopyrite, Pyrrhotite Eagle Rock Mine, Marquette Co.,Michigan

Pentlandite (light gold colored patches) (Fe,Ni)9S8 I, with Copper (yellow), Eagle Rock Mine, Marquette Co.,Michigan

Pentlandite (light gold colored patches) (Fe,Ni)9S8 II, with Copper (yellow), Eagle Rock Mine, Marquette Co.,Michigan

Pentlandite (light gold colored patches) (Fe,Ni)9S8 III, with Copper (yellow), Eagle Rock Mine, Marquette Co.,Michigan