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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Bismutite from
Curtis Quarry, Southford, Southbury, New Haven County, Connecticut, USA


Locality type:Quarry
Classification
Species:Bismutite
Formula:(BiO)2CO3
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Bismutite data
Locality Data:Click here to view Curtis Quarry, Southford, Southbury, New Haven County, Connecticut, USA
Data Identifiers
Mindat Occurrence Record ID:657160
Long-form Identifier:1:3:657160:3
GUID (UUID V4):0
Nearest other occurrences of Bismutite
9.5km (5.9 miles) ⓘEast Village pegmatite prospect, Monroe, Fairfield County, Connecticut, USA
12.7km (7.9 miles) ⓘBooth's Mine (Booth's Bismuth Mine; Booth-Hurd's Bismuth Mine), Monroe, Fairfield County, Connecticut, USA
14.6km (9.0 miles) ⓘWoodbury pegmatite quarry (Judson Quarry), Woodbury, Litchfield County, Connecticut, USA
18.1km (11.2 miles) ⓘBiermann Quarries (Bethel quarries; Codfish Hill Quarry), Bethel, Fairfield County, Connecticut, USA
18.2km (11.3 miles) ⓘOld Mine Plaza construction site, Long Hill, Trumbull, Fairfield County, Connecticut, USA
19.1km (11.9 miles) ⓘRockside Quarry, Mine Hill, Roxbury, Litchfield County, Connecticut, USA
29.9km (18.6 miles) ⓘFillow Quarry, Branchville, Redding, Fairfield County, Connecticut, USA
47.7km (29.6 miles) ⓘBedford, Westchester County, New York, USA
51.1km (31.8 miles) ⓘStrickland Quarry, Strickland pegmatite, Collins Hill, Portland, Middlesex County, Connecticut, USA
52.6km (32.7 miles) ⓘPelton's Quarry, Portland, Middlesex County, Connecticut, USA
References
Weber, Marcelle H., Sullivan, Earle C. (1995) Connecticut Mineral Locality Index. Rocks & Minerals, 70 (6) 396-409 doi:10.1080/00357529.1995.11761569
 
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