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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Molybdenite from
Wissahickon Valley, Philadelphia, Philadelphia County, Pennsylvania, USA


Locality type:Valley
Classification
Species:Molybdenite
Formula:MoS2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Molybdenite data
Locality Data:Click here to view Wissahickon Valley, Philadelphia, Philadelphia County, Pennsylvania, USA
Data Identifiers
Mindat Occurrence Record ID:320627
Long-form Identifier:1:3:320627:0
GUID (UUID V4):0
Nearest other occurrences of Molybdenite
11.4km (7.1 miles) ⓘClark's Quarry, Frankford, Philadelphia, Philadelphia County, Pennsylvania, USA
11.7km (7.3 miles) ⓘBarber's Quarry, Frankford, Philadelphia, Philadelphia County, Pennsylvania, USA
44.8km (27.8 miles) ⓘFrench Creek Mines, Saint Peters, Warwick Township, Chester County, Pennsylvania, USA
55.7km (34.6 miles) ⓘJobst Mine, Vera Cruz, Upper Milford Township, Lehigh County, Pennsylvania, USA
57.5km (35.7 miles) ⓘRittenhouse Gap Mine (Rittenhouse Gap Iron Mines), Rittenhouse Gap, Berks County, Pennsylvania, USA
64.6km (40.2 miles) ⓘAntietam Reservoir, Lower Alsace Township, Berks County, Pennsylvania, USA
73.0km (45.4 miles) ⓘSherrer Quarry, C.K. Williams Quarry complex, Chestnut Hill, Easton, Northampton County, Pennsylvania, USA
73.0km (45.4 miles) ⓘVerdolite Quarry, C.K. Williams Quarry complex, Chestnut Hill, Easton, Northampton County, Pennsylvania, USA
73.5km (45.6 miles) ⓘChestnut Hill, Easton, Northampton County, Pennsylvania, USA
74.1km (46.0 miles) ⓘRoyal Green Marble Quarry (Warnes Quarry; Rock Products Company Quarry), Lopatcong Township, Warren County, New Jersey, 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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