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
Hibbs Quarry, Mount Rubellite, Hebron, Oxford County, Maine, USA


Locality type:Quarry
Classification
Species:Schorl
Formula:NaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Confirmation
Validity:Unconfirmed/Questioned
Data
Mineral Data:Click here to view Schorl data
Locality Data:Click here to view Hibbs Quarry, Mount Rubellite, Hebron, Oxford County, Maine, USA
Data Identifiers
Mindat Occurrence Record ID:34617
Long-form Identifier:1:3:34617:9
GUID (UUID V4):0
Nearest other occurrences of Schorl
1.3km (0.8 miles) ⓘMount Rubellite Quarries, Mount Rubellite, Hebron, Oxford County, Maine, USA
1.9km (1.2 miles) ⓘMount Marie Quarries, Paris, Oxford County, Maine, USA
2.2km (1.4 miles) ⓘLittle Singepole Mountain prospects, Paris, Oxford County, Maine, USA
3.4km (2.1 miles) ⓘStreaked Mountain, Hebron, Oxford County, Maine, USA
4.5km (2.8 miles) ⓘOwls Head prospects (Nevel prospects), Buckfield, Oxford County, Maine, USA
4.5km (2.8 miles) ⓘOwl's Head Quarry, Buckfield, Oxford County, Maine, USA
5.4km (3.3 miles) ⓘGE-SE Mine, Buckfield, Oxford County, Maine, USA
6.3km (3.9 miles) ⓘWestinghouse Quarry, Buckfield, Oxford County, Maine, USA
6.4km (4.0 miles) ⓘFletcher Quarry, Buckfield, Oxford County, Maine, USA
8.0km (5.0 miles) ⓘSlattery Quarry, Paris, Oxford County, Maine, USA
References
USGS Bull 445
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
 
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