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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Arsenopyrite from
Noyes Mountain Quarry (Harvard Quarry), Greenwood, Oxford County, Maine, USA


Locality type:Quarry
Classification
Species:Arsenopyrite
Formula:FeAsS
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Arsenopyrite data
Locality Data:Click here to view Noyes Mountain Quarry (Harvard Quarry), Greenwood, Oxford County, Maine, USA
Data Identifiers
Mindat Occurrence Record ID:28947
Long-form Identifier:1:3:28947:6
GUID (UUID V4):0
Nearest other occurrences of Arsenopyrite
0.1km (0.0 miles) ⓘMorgan Quarry (Morgan Pit; Upper Noyes Mountain Quarry; Upper Harvard Quarry), Greenwood, Oxford County, Maine, USA
0.8km (0.5 miles) ⓘWaisanen Quarry (Tamminen-Waisanen Quarry), Greenwood, Oxford County, Maine, USA
5.6km (3.5 miles) ⓘEmmons Quarry, Uncle Tom Mountain, Greenwood, Oxford County, Maine, USA
11.0km (6.9 miles) ⓘWhispering Pines Quarry, Paris, Oxford County, Maine, USA
13.7km (8.5 miles) ⓘMount Mica Quarry, Paris, Oxford County, Maine, USA
14.0km (8.7 miles) ⓘRyerson Hill Quarries, Paris, Oxford County, Maine, USA
14.5km (9.0 miles) ⓘMount Tom Spar Quarry, Sumner, Oxford County, Maine, USA
15.8km (9.8 miles) ⓘBessey Quarry, Buckfield, Oxford County, Maine, USA
17.2km (10.7 miles) ⓘBennett Quarry, Buckfield, Oxford County, Maine, USA
19.0km (11.8 miles) ⓘMount Marie Quarries, Paris, Oxford County, Maine, USA
References
Thompson, Woodrow B., Joyner, Ronald L., Woodman, Raymond G., King, Vandall T. (1998) Bulletin (41), A Collector's Guide to Maine Mineral Localities (3rd ed.) Maine Geological Survey
 
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