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
Waisanen Quarry (Tamminen-Waisanen Quarry), Greenwood, Oxford 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 Waisanen Quarry (Tamminen-Waisanen Quarry), Greenwood, Oxford County, Maine, USA
Data Identifiers
Mindat Occurrence Record ID:28415
Long-form Identifier:1:3:28415:2
GUID (UUID V4):0
Nearest other occurrences of Schorl
0.1km (0.1 miles) ⓘTamminen Quarry, Greenwood, Oxford County, Maine, USA
0.8km (0.5 miles) ⓘMorgan Quarry (Morgan Pit; Upper Noyes Mountain Quarry; Upper Harvard Quarry), Greenwood, Oxford County, Maine, USA
0.8km (0.5 miles) ⓘNoyes Mountain Quarry (Harvard Quarry), Greenwood, Oxford County, Maine, USA
0.9km (0.6 miles) ⓘWitt Hill Chrysoberyl locality, Greenwood, Oxford County, Maine, USA
0.9km (0.6 miles) ⓘNubble Quarry, Greenwood, Oxford County, Maine, USA
0.9km (0.6 miles) ⓘMustonen Ledge prospect, Greenwood, Oxford County, Maine, USA
1.1km (0.7 miles) ⓘOutback prospect (Gross prospect), Greenwood, Oxford County, Maine, USA
1.2km (0.8 miles) ⓘHayes Ledge Quarries (East and West), Greenwood, Oxford County, Maine, USA
1.6km (1.0 miles) ⓘHeikkinen Quarry, Greenwood, Oxford County, Maine, USA
1.9km (1.2 miles) ⓘPatch Mountain Beryl prospect, Greenwood, Oxford County, Maine, USA
References
Rocks & Min.: 62:443.
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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