Checklist of Minerals Reported from Polk County, Wisconsin
Actinolite
Apatite Group
Augite
Bornite
Calcite
Chalcocite
Chalcopyrite
Chlorite Group
Clinozoisite
Copper
Cuprite
Epidote
Gold
Ilmenite
Magnetite
Malachite
Plagioclase Group
Potassium Feldspar
Quartz
Serpentine Group
Tremolite
Zoisite
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