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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Beryl from
Porcupine Hill Quarry, Topsham, Sagadahoc County, Maine, USA


Locality type:Quarry
Classification
Species:Beryl
Formula:Be3Al2(Si6O18)
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Beryl data
Locality Data:Click here to view Porcupine Hill Quarry, Topsham, Sagadahoc County, Maine, USA
Data Identifiers
Mindat Occurrence Record ID:29690
Long-form Identifier:1:3:29690:8
GUID (UUID V4):0
Nearest other occurrences of Beryl
2.5km (1.6 miles) ⓘConsolidated #2 Quarry (Purington Quarry), Highland Green, Topsham, Sagadahoc County, Maine, USA
2.6km (1.6 miles) ⓘConsolidated #1 Quarry, Highland Green, Topsham, Sagadahoc County, Maine, USA
2.6km (1.6 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 (1.6 miles) ⓘRussell Brothers Quarry, Topsham, Sagadahoc County, Maine, USA
2.7km (1.7 miles) ⓘPejepscot Quarry, Topsham, Sagadahoc County, Maine, USA
3.0km (1.9 miles) ⓘMallet Quarry, Topsham, Sagadahoc County, Maine, USA
3.1km (1.9 miles) ⓘFisher Quarry, Topsham, Sagadahoc County, Maine, USA
3.1km (2.0 miles) ⓘStaples Quarry, Topsham, Sagadahoc County, Maine, USA
3.6km (2.2 miles) ⓘWilliam Willes #1 Quarry, Topsham, Sagadahoc 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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