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Bismutite from
Biermann Quarries (Bethel quarries) and tourmaline ledge, Bethel, Fairfield County, Connecticut, USA

Classification
Species:Bismutite
Formula:(BiO)2CO3
Formation:Secondary
Comments:earthy gray pseudomorphs after elongated, striated bismuthinite crystals up to a few cms.
Habit:earthy, as pseudomorphs after bismuthinite
Colour:gray
Quality for species:Poor for species, only of interest for locality collectors. (#)
Abundance at site:Rare
Confirmation
Validity:Believed Valid
References
References:Januzzi, Ronald E. (1976), Mineral Localities Connecticut and Southeastern New York State. The Mineralogical Press, Danbury, Connecticut.
Data
Mineral Data:Click here to view Bismutite data
Locality Data:Click here to view Biermann Quarries (Bethel quarries) and tourmaline ledge, Bethel, Fairfield County, Connecticut, USA
Nearest other occurrences of Bismutite
12.1km (7.5 miles) Fillow Quarry (Branchville Quarry; Branchville Mica Mine; Smith Mine), Branchville, Redding (Reading), Fairfield County, Connecticut, USA
12.2km (7.6 miles) Old Mine Plaza construction site, Long Hill, Trumbull, Fairfield County, Connecticut, USA
17.6km (10.9 miles) Trumbull, Fairfield County, Connecticut, USA
18.1km (11.2 miles) Curtis Quarry (Southford Quarry; Southford pegmatite; Southbury rose quartz quarry; Bridgeport Woodfinishing Co. Quarry; Hulls Hill), Southford, Southbury, New Haven Co., Connecticut, USA
24.1km (15.0 miles) Rockside Quarry (Mine Hill Quarry), Mine Hill (Ore Hill), Roxbury, Litchfield Co., Connecticut, USA
27.8km (17.3 miles) Woodbury pegmatite quarry, Woodbury, Litchfield Co., Connecticut, USA
29.7km (18.4 miles) Bedford, Westchester Co., New York, USA
68.5km (42.6 miles) Strickland Quarry (Eureka Quarry), Strickland pegmatite (Strickland-Cramer Quarry; Strickland-Cramer Mine; Strickland-Cramer Feldspar-Mica Quarries), Collins Hill, Portland, Middlesex Co., Connecticut, USA
70.1km (43.5 miles) Pelton's Quarry, Portland, Middlesex Co., Connecticut, USA
70.4km (43.7 miles) Simpson Quarry (Wiarda Quarry), South Glastonbury, Glastonbury, Hartford Co., Connecticut, USA
 
Mineral and/or Locality  
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