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Muscovite from
McMahon Quarry (Greenspring Quarry), Pikesville, Baltimore County, Maryland, USA


Locality type:Quarry
Classification
Species:Muscovite
Formula:KAl2(AlSi3O10)(OH)2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Muscovite data
Locality Data:Click here to view McMahon Quarry (Greenspring Quarry), Pikesville, Baltimore County, Maryland, USA
Data Identifiers
Mindat Occurrence Record ID:97073
Long-form Identifier:1:3:97073:6
GUID (UUID V4):0
Nearest other occurrences of Muscovite
2.9km (1.8 miles) ⓘStaurolite locality, Rockland, Baltimore County, Maryland, USA
4.3km (2.7 miles) ⓘShoemaker Quarries, Green Springs Valley, Baltimore County, Maryland, USA
8.0km (5.0 miles) ⓘStony Run, Baltimore City, Maryland, USA
8.1km (5.1 miles) ⓘWright Quarry, Stony Run, Baltimore City, Maryland, USA
9.2km (5.7 miles) ⓘJones Falls Quarries, Baltimore City, Maryland, USA
9.9km (6.2 miles) ⓘMartin Marietta Texas Quarry, Cockeysville, Baltimore County, Maryland, USA
11.3km (7.0 miles) ⓘHilton Quarry, Baltimore City, Maryland, USA
11.6km (7.2 miles) ⓘHollofield, Baltimore County, Maryland, USA
11.9km (7.4 miles) ⓘHollofield Gabbro Quarries, Hollofield, Baltimore County, Maryland, USA
12.3km (7.6 miles) ⓘHollofield Feldspar Quarries, Hollofield, Baltimore County, Maryland, USA
References
Rocks & Minerals 12, 247
 
and/or  
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