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
Easter-Duffy mineral occurrence, Easter Island Dike, Great Slave Lake, Northwest Territories, Canada


Locality type:Occurrence
Classification
Species:Molybdenite
Formula:MoS2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Molybdenite data
Locality Data:Click here to view Easter-Duffy mineral occurrence, Easter Island Dike, Great Slave Lake, Northwest Territories, Canada
Data Identifiers
Mindat Occurrence Record ID:1982166
Long-form Identifier:1:3:1982166:3
GUID (UUID V4):0
Nearest other occurrences of Molybdenite
37.5km (23.3 miles) ⓘThor Lake syenite complex, Blachford Lake alkaline complex, Northwest Territories, Canada
43.3km (26.9 miles) ⓘNechalacho deposit, Thor Lake syenite complex, Blachford Lake alkaline complex, North Slave Region, Northwest Territories, Canada
References
Graham, Cole; Locock, Andrew; Falck, Hendrik; Reynolds, Merilie; Canam, Rebecca; He, Qing; Rodríguez, Juan; Lecumberri-Sanchez, Pilar (2026) Mineralogy and geochemical controls on the Easter-Duffy five-element vein system, NWT, Canada. Ore Geology Reviews, 196. p.107451. doi:10.1016/j.oregeorev.2026.107451
 
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