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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Quartz from
Peaked Hill Quarry, Gilead, Oxford County, Maine, USA


Locality type:Quarry
Classification
Species:Quartz
Formula:SiO2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Quartz data
Locality Data:Click here to view Peaked Hill Quarry, Gilead, Oxford County, Maine, USA
Data Identifiers
Mindat Occurrence Record ID:33686
Long-form Identifier:1:3:33686:2
GUID (UUID V4):0
Nearest other occurrences of Quartz
4.0km (2.5 miles) ⓘPeabody Mountain Quarry, Batchelders Grant, Oxford County, Maine, USA
5.1km (3.2 miles) ⓘPeabody Mountain Quarry (Nason Quarry), Batchelders Grant, Oxford County, Maine, USA
10.3km (6.4 miles) ⓘDonahue Quarry (Donahue Prospect), Albany, Oxford County, Maine, USA
11.0km (6.8 miles) ⓘSongo Pond Quarry (Kimball Ledge Quarry), Albany, Oxford County, Maine, USA
11.2km (6.9 miles) ⓘShirley Brook Topaz locality, Stoneham, Oxford County, Maine, USA
13.8km (8.6 miles) ⓘBumpus Quarry, Albany, Oxford County, Maine, USA
13.9km (8.7 miles) ⓘDouglass Road Metal Quarry, Albany, Oxford County, Maine, USA
14.6km (9.1 miles) ⓘGreat Brook Prospect, Newry, Oxford County, Maine, USA
15.0km (9.3 miles) ⓘVirginia Lake prospect, Stoneham, Oxford County, Maine, USA
15.1km (9.4 miles) ⓘBeryllonite locality, Sugarloaf Mountain, Stoneham, Oxford County, Maine, USA
References
Cameron, Eugene N.
Cameron, Eugene N., Larrabee, David M., McNair, Andrew H., Page, James J., Stewart, Glen W., Shainin, Vincent E. (1954) Pegmatite Investigations, 1942-45, in New England. Geological Survey Professional Paper 255. US Geological Survey doi:10.3133/pp255
King, Vandall - Ed. (2009) Maine Feldspar, Families, and Feuds - Oxford County Mining History. New England Historical Publications.
 
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