Vote for your favorite mineral in #MinCup26! - Bournonite vs. Vesuvianite
Cogwheels of bournonite are up against colourful vesuvianite.
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Biotite from
Small Point, Phippsburg, Sagadahoc County, Maine, USA


Locality type:Point
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 Small Point, Phippsburg, Sagadahoc County, Maine, USA
Data Identifiers
Mindat Occurrence Record ID:347748
Long-form Identifier:1:3:347748:9
GUID (UUID V4):0
Localities for Biotite in this Region
Small Point Quarry, Small Point, Phippsburg, Sagadahoc County, Maine, USA
Nearest other occurrences of Biotite
7.6km (4.7 miles) ⓘE. P. Thomas Quarry, Phippsburg, Sagadahoc County, Maine, USA
7.8km (4.8 miles) ⓘParker Head Quarry, Parker Head, Phippsburg, Sagadahoc County, Maine, USA
10.0km (6.2 miles) ⓘConsolidated Feldspar Quarries, Georgetown, Sagadahoc County, Maine, USA
10.1km (6.3 miles) ⓘHoward-Collins Quarry, Georgetown, Sagadahoc County, Maine, USA
10.5km (6.5 miles) ⓘPerkins Island beryl locality, Georgetown, Sagadahoc County, Maine, USA
10.5km (6.5 miles) ⓘTodd's Bay Quarry, Georgetown, Sagadahoc County, Maine, USA
10.8km (6.7 miles) ⓘCummings Quarry, Georgetown, Sagadahoc County, Maine, USA
15.0km (9.3 miles) ⓘDyer Cove, Harpswell, Cumberland County, Maine, USA
26.2km (16.3 miles) ⓘLaChance Quarry, Brunswick, Cumberland County, Maine, USA
26.5km (16.4 miles) ⓘRoute 1 Road Cut, Woolwich, Sagadahoc County, Maine, USA
References
King, Vandall T., Foord, Eugene E. (1994) Mineralogy of Maine Vol. 1 - Descriptive mineralogy. Maine Geological Survey.
 
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