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Cogwheels of bournonite are up against colourful vesuvianite.
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Quartz from
Martin Marietta Texas Quarry, Cockeysville, Baltimore County, Maryland, USA


Locality type:Quarry
Classification
Species:Quartz
Formula:SiO2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Quartz data
Locality Data:Click here to view Martin Marietta Texas Quarry, Cockeysville, Baltimore County, Maryland, USA
Data Identifiers
Mindat Occurrence Record ID:54973
Long-form Identifier:1:3:54973:0
GUID (UUID V4):0
Nearest other occurrences of Quartz
1.4km (0.9 miles) ⓘBeaver Dam Quarry (Baker and Connelly Quarry), Cockeysville, Baltimore County, Maryland, USA
6.1km (3.8 miles) ⓘLoch Raven Reservoir, Baltimore County, Maryland, USA
7.9km (4.9 miles) ⓘStaurolite locality, Rockland, Baltimore County, Maryland, USA
8.9km (5.5 miles) ⓘBare Hills Serpentine Quarry East, Bare Hills, Baltimore County, Maryland, USA
9.1km (5.7 miles) ⓘUnnamed Chromite prospects, Bare Hills, Baltimore County, Maryland, USA
9.5km (5.9 miles) ⓘBare Hills, Baltimore County, Maryland, USA
9.9km (6.2 miles) ⓘMcMahon Quarry (Greenspring Quarry), Pikesville, Baltimore County, Maryland, USA
10.0km (6.2 miles) ⓘBare Hills Copper Mine (Smith Avenue Copper Mine), Bare Hills, Baltimore County, Maryland, USA
10.5km (6.5 miles) ⓘMarble/pegmatite quarry, Loch Raven, Carney, Baltimore County, Maryland, USA
10.6km (6.6 miles) ⓘMinebank Run, Loch Raven, Carney, Baltimore County, Maryland, USA
References
Rocks & Min.:12:247.
 
and/or  
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