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Biotite from
Aggregate Industries Quarry (Bayer-Mingolla Quarry; Trimount Quarry), Ashland, Middlesex County, Massachusetts, USA


Locality type:Quarry
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 Aggregate Industries Quarry (Bayer-Mingolla Quarry; Trimount Quarry), Ashland, Middlesex County, Massachusetts, USA
Data Identifiers
Mindat Occurrence Record ID:127140
Long-form Identifier:1:3:127140:9
GUID (UUID V4):0
Nearest other occurrences of Biotite
6.4km (4.0 miles) ⓘJ. G. Cloyse quarry, Framingham, Middlesex County, Massachusetts, USA
12.1km (7.5 miles) ⓘMarlborough Junction locality, Marlborough, Middlesex County, Massachusetts, USA
12.7km (7.9 miles) ⓘIndian Head Hill, Marlborough, Middlesex County, Massachusetts, USA
20.3km (12.6 miles) ⓘRoute 62 locality (Potash Hill), Hudson, Middlesex County, Massachusetts, USA
22.5km (14.0 miles) ⓘBlanchard Quarries, Uxbridge, Worcester County, Massachusetts, USA
22.9km (14.2 miles) ⓘPine Hill, Bolton, Worcester County, Massachusetts, USA
23.9km (14.8 miles) ⓘBolton Lime Quarries (Bolton Quarry; Whitcomb Quarry; Hildreth Quarry), Bolton, Worcester County, Massachusetts, USA
25.7km (16.0 miles) ⓘGrants Mills, Cumberland, Providence County, Rhode Island, USA
28.9km (17.9 miles) ⓘCumberland Hill, Cumberland, Providence County, Rhode Island, USA
31.7km (19.7 miles) ⓘRattlesnake Hill, Sharon, Norfolk County, Massachusetts, USA
References
Gleba, Peter P. (2008) Massachusetts Mineral and Fossil Localities. Kreueger Enterprises, Inc.
 
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