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
Jeffrey Quarry, Jeffrey, Pulaski County, Arkansas, USA


Locality type:Quarry
Classification
Species:Molybdenite
Formula:MoS2
Comments:Occurs in Jackfork Sandstone.
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Molybdenite data
Locality Data:Click here to view Jeffrey Quarry, Jeffrey, Pulaski County, Arkansas, USA
Data Identifiers
Mindat Occurrence Record ID:70312
Long-form Identifier:1:3:70312:5
GUID (UUID V4):0
Nearest other occurrences of Molybdenite
15.0km (9.3 miles) ⓘBig Rock Quarry (3M Quarry; Arch Street Pike Quarry), Granite Mountain area, Little Rock, Pulaski County, Arkansas, USA
60.5km (37.6 miles) ⓘBaroid Mine (Chamberlain Creek Barite Mines), Chamberlain Creek Valley, Magnet Cove, Hot Spring County, Arkansas, USA
62.6km (38.9 miles) ⓘMagcobar Mine (Chamberlain Creek Barite Mines), Chamberlain Creek Valley, Magnet Cove, Hot Spring County, Arkansas, USA
62.8km (39.0 miles) ⓘMo-Ti Corporation prospect, Magnet Cove, Hot Spring County, Arkansas, USA
63.0km (39.2 miles) ⓘChristy property, Magnet Cove, Hot Spring County, Arkansas, USA
64.2km (39.9 miles) ⓘMagnet Cove Rutile Company deposits, Magnet Cove, Hot Spring County, Arkansas, USA
65.5km (40.7 miles) ⓘCove Creek Bridge and The Branch area, Magnet Cove, Hot Spring County, Arkansas, USA
65.6km (40.7 miles) ⓘJones Mill Quarry, Magnet Cove, Hot Spring County, Arkansas, USA
66.0km (41.0 miles) ⓘDiamond Jo Quarry, Magnet Cove, Hot Spring County, Arkansas, USA
66.6km (41.4 miles) ⓘKimzey Prospect, Hot Spring County, Arkansas, USA
References
Newsom(1978).
Rocks & Minerals (1988): 63: 122.
 
and/or  
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