Vote for your favorite mineral in #MinCup26! - Sphalerite vs. Anorthite
Both zinc ore Sphalerite and calcium plagioclase feldspar Anorthite have perfect cleavage that will split cleanly if you hit them with a hammer, but only one can claim a larger split of your votes!
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Galena from
Medusa Cement Company Quarry, West York, York County, Pennsylvania, USA


Locality type:Quarry
Classification
Species:Galena
Formula:PbS
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Galena data
Locality Data:Click here to view Medusa Cement Company Quarry, West York, York County, Pennsylvania, USA
Data Identifiers
Mindat Occurrence Record ID:133145
Long-form Identifier:1:3:133145:5
GUID (UUID V4):0
Nearest other occurrences of Galena
7.5km (4.7 miles) ⓘCodorus Stone & Supply Co. Quarry, Emigsville, East Manchester Township, York County, Pennsylvania, USA
16.2km (10.1 miles) ⓘBillmeyer Quarry, Billmeyer, Conoy Township, Lancaster County, Pennsylvania, USA
20.1km (12.5 miles) ⓘCounty Line Quarry, Wrightsville, York County, Pennsylvania, USA
29.6km (18.4 miles) ⓘReeser's Summit, Frogtown, York County, Pennsylvania, USA
34.2km (21.2 miles) ⓘBamford, East Hempfield Township, Lancaster County, Pennsylvania, USA
37.2km (23.1 miles) ⓘPequea Silver Mine, Pequea Township, Lancaster County, Pennsylvania, USA
46.1km (28.6 miles) ⓘCornwall Mines (Cornwall Iron Mine), Cornwall Borough (Cornwall), Lebanon County, Pennsylvania, USA
51.7km (32.1 miles) ⓘMedford Quarry, Medford, Carroll County, Maryland, USA
54.4km (33.8 miles) ⓘMartin Marietta Texas Quarry, Cockeysville, Baltimore County, Maryland, USA
55.9km (34.8 miles) ⓘCox Mines (Mountain View Mine), Frederick County, Maryland, USA
References
Lapham, Davis M., Geyer, Alan R. (1965) Mineral Collecting in Pennsylvania. Bulletin G33 (2nd ed.). Pennsylvania Geological Survey
 
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