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
Wissahickon Valley, Philadelphia, Philadelphia County, Pennsylvania, USA


Locality type:Valley
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 Wissahickon Valley, Philadelphia, Philadelphia County, Pennsylvania, USA
Data Identifiers
Mindat Occurrence Record ID:320613
Long-form Identifier:1:3:320613:3
GUID (UUID V4):0
Nearest other occurrences of Apatite
3.4km (2.1 miles) ⓘFlat Rock Tunnel, Lower Merion Township, Montgomery County, Pennsylvania, USA
3.6km (2.2 miles) ⓘFowler's Quarry, Germantown, Philadelphia, Philadelphia County, Pennsylvania, USA
4.0km (2.5 miles) ⓘPrince's Soapstone Quarry, Lafayette Station, Philadelphia County, Pennsylvania, USA
4.5km (2.8 miles) ⓘMcKinney's Quarry, Rittenhouse Lane, Philadelphia, Philadelphia County, Pennsylvania, USA
5.8km (3.6 miles) ⓘFalls of Schuylkill, Fairmount Park, Philadelphia, Philadelphia County, Pennsylvania, USA
11.7km (7.3 miles) ⓘPeter's Quarry, Frankford, Philadelphia, Philadelphia County, Pennsylvania, USA
11.7km (7.3 miles) ⓘBarber's Quarry, Frankford, Philadelphia, Philadelphia County, Pennsylvania, USA
19.2km (11.9 miles) ⓘDeshong's Quarry, Leiperville, Ridley Township, Delaware County, Pennsylvania, USA
20.5km (12.7 miles) ⓘBlue Hill, Media, Upper Providence Township, Delaware County, Pennsylvania, USA
20.8km (12.9 miles) ⓘLeiper's Lower Avondale Quarry (Morrow Quarry; Facenda Quarry), Woodlyn (Avondale), Swarthmore (Borough of Swarthmore), Delaware County, Pennsylvania, USA
References
Gordon, Samuel G. (1922) The Mineralogy of Pennsylvania. Special Publication 1. The Academy of Natural Sciences of Philadelphia 255pp.
 
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