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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Aragonite from
Blue Mount Quarry, Blue Mount, Baltimore County, Maryland, USA


Locality type:Quarry
Classification
Species:Aragonite
Formula:CaCO3
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Aragonite data
Locality Data:Click here to view Blue Mount Quarry, Blue Mount, Baltimore County, Maryland, USA
Data Identifiers
Mindat Occurrence Record ID:49656
Long-form Identifier:1:3:49656:2
GUID (UUID V4):0
Nearest other occurrences of Aragonite
25.8km (16.0 miles) ⓘBare Hills Copper Mine (Smith Avenue Copper Mine), Bare Hills, Baltimore County, Maryland, USA
27.8km (17.3 miles) ⓘChoate Mine, Owings Mills, Baltimore County, Maryland, USA
35.9km (22.3 miles) ⓘSouthern Pit, Hollofield Gabbro Quarries, Hollofield, Baltimore County, Maryland, USA
43.4km (27.0 miles) ⓘHaines & Kibblehouse Penn-Maryland Materials Quarry, Fulton Township, Lancaster County, Pennsylvania, USA
44.3km (27.6 miles) ⓘCedar Hill Quarry (Stoltzfuss Quarry), Fulton Township, Lancaster County, Pennsylvania, USA
46.2km (28.7 miles) ⓘCodorus Stone & Supply Co. Quarry, Emigsville, East Manchester Township, York County, Pennsylvania, USA
47.0km (29.2 miles) ⓘWood's Chrome Mine, Texas, Little Britain Township, Lancaster County, Pennsylvania, USA
60.9km (37.8 miles) ⓘGap Mine, Bart Township, Lancaster County, Pennsylvania, USA
71.3km (44.3 miles) ⓘCulp Ridge, Glatfelter Farm, Hamiltonban Township, Adams County, Pennsylvania, USA
75.8km (47.1 miles) ⓘCornwall Mines (Cornwall Iron Mine), Cornwall Borough (Cornwall), Lebanon County, Pennsylvania, USA
References
Rocks & Min.:12:247.
 
and/or  
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