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
Mount Ararat Quarries, Topsham, Sagadahoc County, Maine, USA


Locality type:Quarry
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 Mount Ararat Quarries, Topsham, Sagadahoc County, Maine, USA
Data Identifiers
Mindat Occurrence Record ID:790672
Long-form Identifier:1:3:790672:5
GUID (UUID V4):0
Nearest other occurrences of Schorl
1.1km (0.7 miles) ⓘConsolidated #1 Quarry, Highland Green, Topsham, Sagadahoc County, Maine, USA
1.9km (1.2 miles) ⓘPorcupine Hill Quarry, Topsham, Sagadahoc County, Maine, USA
2.7km (1.7 miles) ⓘRussell Brothers Quarry, Topsham, Sagadahoc County, Maine, USA
3.1km (1.9 miles) ⓘSquare Pit (Consolidated #4 Quarry), Topsham, Sagadahoc County, Maine, USA
7.1km (4.4 miles) ⓘAdderton Prospect, Bowdoinham, Sagadahoc County, Maine, USA
9.0km (5.6 miles) ⓘLaChance Quarry, Brunswick, Cumberland County, Maine, USA
10.7km (6.7 miles) ⓘDavis Mica Quarry, West Bath, Sagadahoc County, Maine, USA
11.2km (7.0 miles) ⓘCoombs Quarries, Bowdoin, Sagadahoc County, Maine, USA
11.8km (7.4 miles) ⓘTrott Cove Quarry, Woolwich, Sagadahoc County, Maine, USA
15.5km (9.6 miles) ⓘPorter Landing prospects, Freeport, Cumberland County, Maine, USA
References
Bastin, E. S. (1911) Geology of the pegmatites and associated rocks of Maine, including feldspar, quartz, mica, and gem deposits. Bulletin 445. US Geological Survey doi:10.3133/b445
 
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