Vote for your favorite mineral in #MinCup26! - Sphalerite vs. Anorthite
Both zinc ore Sphalerite and calcium plagioclase feldspar Anorthite have perfect cleavage that will split cleanly if you hit them with a hammer, but only one can claim a larger split of your votes!
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Magnetite from
Maine Feldspar Quarry, East Mount Apatite Mining District, Auburn, Androscoggin County, Maine, USA


Locality type:Quarry
Classification
Species:Magnetite
Formula:Fe2+Fe23+O4
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Magnetite data
Locality Data:Click here to view Maine Feldspar Quarry, East Mount Apatite Mining District, Auburn, Androscoggin County, Maine, USA
Data Identifiers
Mindat Occurrence Record ID:658232
Long-form Identifier:1:3:658232:6
GUID (UUID V4):0
Nearest other occurrences of Magnetite
30.9km (19.2 miles) ⓘFisher Quarry, Topsham, Sagadahoc County, Maine, USA
30.9km (19.2 miles) ⓘNorth Russell Brothers Quarry, Topsham, Sagadahoc County, Maine, USA
31.1km (19.3 miles) ⓘYedlin Locality, Standpipe Hill Quarries, Topsham, Sagadahoc County, Maine, USA
31.1km (19.3 miles) ⓘSwamp #1 Quarry, Cathance River Nature Preserve, Topsham, Sagadahoc County, Maine, USA
31.1km (19.4 miles) ⓘSwamp #2 quarry, Cathance River Nature Preserve, Topsham, Sagadahoc County, Maine, USA
31.2km (19.4 miles) ⓘStandpipe Hill Quarries, Topsham, Sagadahoc County, Maine, USA
31.2km (19.4 miles) ⓘMount Ararat Quarries, Topsham, Sagadahoc County, Maine, USA
31.4km (19.5 miles) ⓘConsolidated #2 Quarry (Purington Quarry), Highland Green, Topsham, Sagadahoc County, Maine, USA
31.5km (19.6 miles) ⓘConsolidated #1 Quarry, Highland Green, Topsham, Sagadahoc County, Maine, USA
32.8km (20.4 miles) ⓘDennis Hill locality (Litchfield sodalite locality), Litchfield, Kennebec County, Maine, USA
References
Bastin, E. S. (1911) Geology of the pegmatites and associated rocks of Maine, including feldspar, quartz, mica, and gem deposits. Bulletin 445. US Geological Survey doi:10.3133/b445
 
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