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
Estes Quarry, West Baldwin, Baldwin, Cumberland County, Maine, USA


Locality type:Quarry
Classification
Species:Schorl
Formula:NaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Confirmation
Validity:Confirmed
Confirmation Methods:SEM-EDS
Data
Mineral Data:Click here to view Schorl data
Locality Data:Click here to view Estes Quarry, West Baldwin, Baldwin, Cumberland County, Maine, USA
Data Identifiers
Mindat Occurrence Record ID:32898
Long-form Identifier:1:3:32898:8
GUID (UUID V4):0
Nearest other occurrences of Schorl
9.6km (6.0 miles) ⓘBerry Ledge, Cornish, York County, Maine, USA
23.1km (14.3 miles) ⓘJockey Cap Hill Garnet locality, Fryeburg, Oxford County, Maine, USA
25.4km (15.8 miles) ⓘSwan's Falls locality, Fryeburg, Oxford County, Maine, USA
29.7km (18.4 miles) ⓘHeath Quarry, Casco, Cumberland County, Maine, USA
37.2km (23.1 miles) ⓘCreeper Hill prospect, Stow, Oxford County, Maine, USA
38.2km (23.8 miles) ⓘSaunders Mica Quarry, Waterford, Oxford County, Maine, USA
42.0km (26.1 miles) ⓘAllen Mountain prospect (Allen Mountain Spar opening), Stoneham, Oxford County, Maine, USA
42.6km (26.5 miles) ⓘPine Hill locality, Stow, Oxford County, Maine, USA
42.6km (26.5 miles) ⓘFoster Hill prospects, Stoneham, Oxford County, Maine, USA
42.8km (26.6 miles) ⓘLord Hill Quarry (Lord Hill Mine), Stoneham, Oxford County, Maine, USA
References
Thompson, Woodrow B., Bearss, Gene T., Falster, Alexander U., Simmons, William B., Nizamoff, Jams W. (2000) The Estes Quarry, Cumberland County, Maine: A New Pegmatite Mineral Locality. Rocks & Minerals, 75 (6) 408-418 doi:10.1080/00357520009605667
 
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