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Biotite from
New England Materials quarry, Monroe, Fairfield County, Connecticut, USA

Locality type:Quarry
Classification
Species:'Biotite' (not an IMA approved species)
Formula:K(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Confirmation
Validity:Confirmed
Confirmation Methods:Visually Identified
References
References:Notes by Jeremy Zolan
Specimen source:From Other
Data
Mineral Data:Click here to view Biotite data
Locality Data:Click here to view New England Materials quarry, Monroe, Fairfield County, Connecticut, USA
Nearest other occurrences of Biotite
7.5km (4.7 miles) Old Mine Park (Old Tungsten Mine), Long Hill, Trumbull, Fairfield County, Connecticut, USA
12.1km (7.5 miles) Curtis Quarry (Southford Quarry; Southford pegmatite; Southbury rose quartz quarry; Bridgeport Woodfinishing Co. Quarry; Hulls Hill), Southford, Southbury, New Haven Co., Connecticut, USA
14.0km (8.7 miles) Redding Glen (Redding Ridge), Redding (Reading), Fairfield County, Connecticut, USA
15.1km (9.4 miles) Arsenic and nickel mine (Nickel Mine Brook), Seymour, New Haven Co., Connecticut, USA
16.0km (9.9 miles) Agstone Company Limestone Quarry, Danbury, Fairfield County, Connecticut, USA
16.3km (10.1 miles) U. S. Route 7 Expressway (Danbury line to Iron Works District), Brookfield, Fairfield County, Connecticut, USA
17.5km (10.9 miles) Green's Farm locality (Roxbury garnet mine; Roxbury Falls garnet mine; Garnet Hill), Roxbury, Litchfield Co., Connecticut, USA
17.9km (11.1 miles) Danbury, Fairfield County, Connecticut, USA
18.5km (11.5 miles) North Street mall, Danbury, Fairfield County, Connecticut, USA
19.1km (11.9 miles) Nonnewaug River Industrial Park, Woodbury, Litchfield Co., Connecticut, USA
 
Mineral and/or Locality  
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