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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Schorl from
Square Pit (Consolidated #4 Quarry), Topsham, Sagadahoc County, Maine, USA


Locality type:Pit
Classification
Species:Schorl
Formula:NaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Schorl data
Locality Data:Click here to view Square Pit (Consolidated #4 Quarry), Topsham, Sagadahoc County, Maine, USA
Data Identifiers
Mindat Occurrence Record ID:29673
Long-form Identifier:1:3:29673:1
GUID (UUID V4):0
Nearest other occurrences of Schorl
2.2km (1.4 miles) ⓘConsolidated #1 Quarry, Highland Green, Topsham, Sagadahoc County, Maine, USA
3.1km (1.9 miles) ⓘMount Ararat Quarries, Topsham, Sagadahoc County, Maine, USA
3.7km (2.3 miles) ⓘPorcupine Hill Quarry, Topsham, Sagadahoc County, Maine, USA
4.1km (2.5 miles) ⓘAdderton Prospect, Bowdoinham, Sagadahoc County, Maine, USA
5.8km (3.6 miles) ⓘRussell Brothers Quarry, Topsham, Sagadahoc County, Maine, USA
8.2km (5.1 miles) ⓘCoombs Quarries, Bowdoin, Sagadahoc County, Maine, USA
9.8km (6.1 miles) ⓘTrott Cove Quarry, Woolwich, Sagadahoc County, Maine, USA
11.7km (7.3 miles) ⓘDavis Mica Quarry, West Bath, Sagadahoc County, Maine, USA
11.8km (7.3 miles) ⓘLaChance Quarry, Brunswick, Cumberland County, Maine, USA
18.3km (11.4 miles) ⓘPorter Landing prospects, Freeport, Cumberland 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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