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
Danbury beryl prospect, Brookfield, Fairfield County, Connecticut, USA


Locality type:Prospect
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 Danbury beryl prospect, Brookfield, Fairfield County, Connecticut, USA
Data Identifiers
Mindat Occurrence Record ID:893507
Long-form Identifier:1:3:893507:6
GUID (UUID V4):0
Nearest other occurrences of Schorl
2.3km (1.4 miles) ⓘU. S. Route 7 Expressway (Danbury line to Iron Works District), Brookfield, Fairfield County, Connecticut, USA
9.1km (5.7 miles) ⓘBiermann Quarries (Bethel quarries; Codfish Hill Quarry), Bethel, Fairfield County, Connecticut, USA
10.0km (6.2 miles) ⓘCaptain Cook's Quarry (Purdy Station Quarry), Newtown, Fairfield County, Connecticut, USA
10.1km (6.3 miles) ⓘWestern Connecticut State University, Danbury, Fairfield County, Connecticut, USA
15.3km (9.5 miles) ⓘRedding Glen, Redding, Fairfield County, Connecticut, USA
15.9km (9.9 miles) ⓘRockside Quarry, Mine Hill, Roxbury, Litchfield County, Connecticut, USA
17.4km (10.8 miles) ⓘCurtis Quarry, Southford, Southbury, New Haven County, Connecticut, USA
17.8km (11.1 miles) ⓘTiticus Mica Quarry, Ridgefield, Fairfield County, Connecticut, USA
18.9km (11.7 miles) ⓘFillow Quarry, Branchville, Redding, Fairfield County, Connecticut, USA
18.9km (11.8 miles) ⓘCasey Quarry (Ridgefield pegmatite), Ridgefield, Fairfield County, Connecticut, USA
References
Barton, William R. and Carl. E. Goldsmith. (1968), New England Beryllium Investigations. US Bureau Mines Report of Investigations 7070.
 
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