Chalcopyrite, Pyrite & Magnetite
Locality: French Creek Mines, St. Peters, PA
Magnetit
Locality: Bolivien
Magnetite in Matrix
Locality: Yinnietharra Station, Upper Gascoyne Shire, Western Australia, Australia
Magnetite on Microcline
Locality: Beryl Hill, Newlin Township, Chester Co., PA
Pyrite after magnetite pseudomorph
Hematite pseudomorph after magnetite
Scheelite pseudomorph on magnetite with dolomite
Magnetite
Locality: Sterling Hill, Ogdensburg, Sussex County, New Jersey