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Biotite from
Ratlum Mountain, Canton, Hartford County, Connecticut, USA


Locality type:Mountain
Classification
Species:'Biotite' (not an IMA approved species)
Formula:K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Kyanite3
Quartz2
Data
Mineral Data:Click here to view Biotite data
Locality Data:Click here to view Ratlum Mountain, Canton, Hartford County, Connecticut, USA
Data Identifiers
Mindat Occurrence Record ID:388386
Long-form Identifier:1:3:388386:0
GUID (UUID V4):0
Nearest other occurrences of Biotite
16.5km (10.3 miles) ⓘMountain Top Trucking quarry, Torrington, Litchfield County, Connecticut, USA
18.8km (11.7 miles) ⓘBristol Copper Mine, Bristol, Hartford County, Connecticut, USA
21.3km (13.2 miles) ⓘState Routes 8 and 118 interchange, Harwinton, Litchfield County, Connecticut, USA
21.4km (13.3 miles) ⓘLead Mine Brook, Harwinton, Litchfield County, Connecticut, USA
27.9km (17.3 miles) ⓘCrissey Quarry (Crissy Hill), Norfolk, Litchfield County, Connecticut, USA
29.8km (18.5 miles) ⓘWaterbury Road quarry, Thomaston, Litchfield County, Connecticut, USA
32.4km (20.1 miles) ⓘMount Prospect complex (Prospect Hill complex; Prospect Mountain complex), Litchfield, Litchfield County, Connecticut, USA
33.2km (20.7 miles) ⓘBlandford mica mines, Blandford, Hampden County, Massachusetts, USA
36.1km (22.4 miles) ⓘRoute 73 quarry, Waterbury, New Haven County, Connecticut, USA
38.8km (24.1 miles) ⓘInterstate 84 interchange 26, Cheshire, New Haven County, Connecticut, USA
References
www.geol.vt.edu/gradstu/pwelch/research.html
 
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