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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Chrysocolla from
Barber's Quarry, Frankford, Philadelphia, Philadelphia County, Pennsylvania, USA


Locality type:Quarry
Classification
Species:Chrysocolla
Formula:Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Chrysocolla data
Locality Data:Click here to view Barber's Quarry, Frankford, Philadelphia, Philadelphia County, Pennsylvania, USA
Data Identifiers
Mindat Occurrence Record ID:360643
Long-form Identifier:1:3:360643:8
GUID (UUID V4):0
Nearest other occurrences of Chrysocolla
0.0km (0.0 miles) ⓘPeter's Quarry, Frankford, Philadelphia, Philadelphia County, Pennsylvania, USA
0.4km (0.2 miles) ⓘClark's Quarry, Frankford, Philadelphia, Philadelphia County, Pennsylvania, USA
7.8km (4.9 miles) ⓘMcKinney's Quarry, Rittenhouse Lane, Philadelphia, Philadelphia County, Pennsylvania, USA
11.7km (7.3 miles) ⓘWissahickon Valley, Philadelphia, Philadelphia County, Pennsylvania, USA
15.4km (9.5 miles) ⓘPrince's Soapstone Quarry, Lafayette Station, Philadelphia County, Pennsylvania, USA
15.4km (9.6 miles) ⓘGladwyne Quarries, Gladwyne, Lower Merion Township, Montgomery County, Pennsylvania, USA
15.7km (9.8 miles) ⓘHitner's Marble Quarry (Hitner's Quarry), Whitemarsh Township, Montgomery County, Pennsylvania, USA
32.4km (20.1 miles) ⓘWhim shaft, Perkiomen Mines, Audubon, Lower Providence Township, Montgomery County, Pennsylvania, USA
32.4km (20.1 miles) ⓘPerkiomen Copper Mine, Perkiomen Mines, Audubon, Lower Providence Township, Montgomery County, Pennsylvania, USA
32.5km (20.2 miles) ⓘEcton Mine, Perkiomen Mines, Audubon, Lower Providence Township, Montgomery County, Pennsylvania, USA
References
Samuel S. Gordon, pg. 229
Gordon, Samuel G. (1922) The Mineralogy of Pennsylvania. Special Publication 1. The Academy of Natural Sciences of Philadelphia 255pp.
 
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