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Biotite from
Indian Head Hill, Marlborough, Middlesex County, Massachusetts, USA


Locality type:Hill
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 Indian Head Hill, Marlborough, Middlesex County, Massachusetts, USA
Data Identifiers
Mindat Occurrence Record ID:128562
Long-form Identifier:1:3:128562:8
GUID (UUID V4):0
Nearest other occurrences of Biotite
3.5km (2.2 miles) ⓘMarlborough Junction locality, Marlborough, Middlesex County, Massachusetts, USA
7.0km (4.4 miles) ⓘJ. G. Cloyse quarry, Framingham, Middlesex County, Massachusetts, USA
9.1km (5.7 miles) ⓘRoute 62 locality (Potash Hill), Hudson, Middlesex County, Massachusetts, USA
11.3km (7.0 miles) ⓘPine Hill, Bolton, Worcester County, Massachusetts, USA
11.4km (7.1 miles) ⓘBolton Lime Quarries (Bolton Quarry; Whitcomb Quarry; Hildreth Quarry), Bolton, Worcester County, Massachusetts, USA
12.7km (7.9 miles) ⓘAggregate Industries Quarry (Bayer-Mingolla Quarry; Trimount Quarry), Ashland, Middlesex County, Massachusetts, USA
20.4km (12.7 miles) ⓘHarris Quarry, Acton, Middlesex County, Massachusetts, USA
20.7km (12.8 miles) ⓘMcCarthy Quarry, Acton, Middlesex County, Massachusetts, USA
25.5km (15.9 miles) ⓘShaker Quarry, Groton, Middlesex County, Massachusetts, USA
26.2km (16.3 miles) ⓘPJ Keating Quarry (Lunenburg Quarry), Lunenburg, Worcester County, Massachusetts, USA
References
Gleba, Peter P. (2008) Massachusetts Mineral and Fossil Localities. Kreueger Enterprises, Inc.
 
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