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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Apatite from
Ben Murphy Mica Mine, Scaggsville, Howard County, Maryland, USA


Locality type:Mine
Classification
Species:'Apatite' (not an IMA approved species)
Formula:Ca5(PO4)3A
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Apatite data
Locality Data:Click here to view Ben Murphy Mica Mine, Scaggsville, Howard County, Maryland, USA
Data Identifiers
Mindat Occurrence Record ID:202009
Long-form Identifier:1:3:202009:9
GUID (UUID V4):0
Nearest other occurrences of Apatite
17.7km (11.0 miles) ⓘWeber's Quarry, Ellicott City, Howard County, Maryland, USA
18.1km (11.2 miles) ⓘGaither's Quarry, Baltimore County, Maryland, USA
24.0km (14.9 miles) ⓘHenryton, Carroll County, Maryland, USA
26.9km (16.7 miles) ⓘMarriottsville Quarry, Hernwood, Baltimore County, Maryland, USA
32.2km (20.0 miles) ⓘJones Falls Quarries, Baltimore City, Maryland, USA
33.2km (20.7 miles) ⓘWright Quarry, Stony Run, Baltimore City, Maryland, USA
33.5km (20.8 miles) ⓘStony Run, Baltimore City, Maryland, USA
33.6km (20.9 miles) ⓘDifficult Run, Fairfax County, Virginia, USA
43.3km (26.9 miles) ⓘMartin Marietta Texas Quarry, Cockeysville, Baltimore County, Maryland, USA
55.2km (34.3 miles) ⓘChantilly Quarry, Chantilly, Loudoun County, Virginia, USA
References
Mines of the Washington D.C Area
 
and/or  
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