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
Mount Ararat Quarries, Topsham, Sagadahoc 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 Mount Ararat Quarries, Topsham, Sagadahoc County, Maine, USA
Data Identifiers
Mindat Occurrence Record ID:36164
Long-form Identifier:1:3:36164:6
GUID (UUID V4):0
Nearest other occurrences of Magnetite
1.1km (0.7 miles) ⓘConsolidated #1 Quarry, Highland Green, Topsham, Sagadahoc County, Maine, USA
1.1km (0.7 miles) ⓘConsolidated #2 Quarry (Purington Quarry), Highland Green, Topsham, Sagadahoc County, Maine, USA
1.2km (0.8 miles) ⓘSwamp #2 quarry, Cathance River Nature Preserve, Topsham, Sagadahoc County, Maine, USA
1.2km (0.8 miles) ⓘSwamp #1 Quarry, Cathance River Nature Preserve, Topsham, Sagadahoc County, Maine, USA
2.3km (1.5 miles) ⓘFisher Quarry, Topsham, Sagadahoc County, Maine, USA
2.4km (1.5 miles) ⓘStandpipe Hill Quarries, Topsham, Sagadahoc County, Maine, USA
2.6km (1.6 miles) ⓘYedlin Locality, Standpipe Hill Quarries, Topsham, Sagadahoc County, Maine, USA
2.7km (1.7 miles) ⓘNorth Russell Brothers Quarry, Topsham, Sagadahoc County, Maine, USA
22.1km (13.7 miles) ⓘParker Head Quarry, Parker Head, Phippsburg, Sagadahoc County, Maine, USA
30.0km (18.6 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
King, Vandall T., Foord, Eugene E. (1994) Mineralogy of Maine Vol. 1 - Descriptive mineralogy. Maine Geological Survey.
King, Vandall T. (2000) Mineralogy of Maine Vol. 2 - Mining History, Gems, and Geology. Maine Geological Survey.
 
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