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
East Branch Swift River Gold locality, Byron, Oxford County, Maine, USA


Locality type:Placer
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 East Branch Swift River Gold locality, Byron, Oxford County, Maine, USA
Data Identifiers
Mindat Occurrence Record ID:42599
Long-form Identifier:1:3:42599:9
GUID (UUID V4):0
Nearest other occurrences of Magnetite
3.4km (2.1 miles) ⓘWest Branch Swift River Gold Locality, Byron, Oxford County, Maine, USA
17.0km (10.5 miles) ⓘBlack Mountain Quarry, Rumford, Oxford County, Maine, USA
19.1km (11.8 miles) ⓘSouth Bog Stream Gold locality, Rangeley Plantation, Franklin County, Maine, USA
22.8km (14.2 miles) ⓘBell pit, Newry, Oxford County, Maine, USA
23.4km (14.5 miles) ⓘNile Brook Gold locality, Dallas Plantation, Franklin County, Maine, USA
44.8km (27.8 miles) ⓘSongo Pond Quarry (Kimball Ledge Quarry), Albany, Oxford County, Maine, USA
47.2km (29.3 miles) ⓘA.C. Perham Quarry, West Paris, Oxford County, Maine, USA
51.4km (31.9 miles) ⓘCates Hill, Berlin, Coos County, New Hampshire, USA
60.7km (37.7 miles) ⓘSaunders Mica Quarry, Waterford, Oxford County, Maine, USA
60.9km (37.8 miles) ⓘLimestone Hill, Flagstaff, Somerset County, Maine, USA
References
W. B. Thompson, D. L. Joyner, R. G. Woodman, and V. T. King (2005) A Collector's Guide to Maine Mineral Localities. Maine Geological Survey Bulletin 41
 
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