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Biotite from
Clark Ledge pegmatite locality, Chesterfield, Hampshire County, Massachusetts, USA


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
Data
Mineral Data:Click here to view Biotite data
Locality Data:Click here to view Clark Ledge pegmatite locality, Chesterfield, Hampshire County, Massachusetts, USA
Data Identifiers
Mindat Occurrence Record ID:29934
Long-form Identifier:1:3:29934:9
GUID (UUID V4):0
Nearest other occurrences of Biotite
9.5km (5.9 miles) ⓘBetts Manganese Mines, Plainfield, Hampshire County, Massachusetts, USA
17.6km (11.0 miles) ⓘOld Mine, Chester Emery Mines, Chester, Hampden County, Massachusetts, USA
17.7km (11.0 miles) ⓘWright Mine, Chester Emery Mines, Chester, Hampden County, Massachusetts, USA
18.5km (11.5 miles) ⓘMelvin Mine, Chester Emery Mines, Chester, Hampden County, Massachusetts, USA
19.0km (11.8 miles) ⓘChester Emery Mines, Chester, Hampden County, Massachusetts, USA
19.8km (12.3 miles) ⓘRound Top Hill area quartz prospects, Chester, Hampden County, Massachusetts, USA
19.8km (12.3 miles) ⓘForge Hill iron mines (Old Hawley iron mines), West Hawley, Hawley, Franklin County, Massachusetts, USA
20.3km (12.6 miles) ⓘLoudville Lead Mines (Manhan Lead-Silver Mine; Southampton Lead Mine; Northampton Lead Mine), Easthampton, Hampshire County, Massachusetts, USA
22.7km (14.1 miles) ⓘHawks Pyrite Mine (Mount Peak Mine), Charlemont, Franklin County, Massachusetts, USA
26.0km (16.2 miles) ⓘBlandford mica mines, Blandford, Hampden County, Massachusetts, USA
References
"Western Massachusetts Mineral Localites" by Plante, A.R., Valley Geology Press, 1992
 
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