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


Locality type:Occurrence
Classification
Type:Granite
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Granite 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:1982145
Long-form Identifier:1:3:1982145:0
GUID (UUID V4):0
Nearest other occurrences of Granite
43.1km (26.8 miles) ⓘHook Point, Yellowknife Pegmatite field, Northwest Territories, Canada
58.5km (36.4 miles) ⓘBlatchford Lake, Yellowknife Pegmatite field, Northwest Territories, Canada
60.3km (37.5 miles) ⓘMoose II pegmatite (ELK; Beck; DeStaffany), Yellowknife Pegmatite field, 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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