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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Sphalerite from
PGX Prospect, Tok Mining District, Southeast Fairbanks Census Area, Alaska, USA


Locality type:Prospect
Classification
Species:Sphalerite
Formula:ZnS
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Sphalerite data
Locality Data:Click here to view PGX Prospect, Tok Mining District, Southeast Fairbanks Census Area, Alaska, USA
Data Identifiers
Mindat Occurrence Record ID:587458
Long-form Identifier:1:3:587458:3
GUID (UUID V4):0
Nearest other occurrences of Sphalerite
2.3km (1.4 miles) ⓘPG Occurrence, Tok Mining District, Southeast Fairbanks Census Area, Alaska, USA
2.7km (1.7 miles) ⓘPG Northeast Occurrence, Tok Mining District, Southeast Fairbanks Census Area, Alaska, USA
3.8km (2.3 miles) ⓘUnnamed Occurrence (ARDF - MH264; southeast of peak 7057), Tok Mining District, Southeast Fairbanks Census Area, Alaska, USA
3.9km (2.4 miles) ⓘPG West Occurrence, Tok Mining District, Southeast Fairbanks Census Area, Alaska, USA
9.4km (5.9 miles) ⓘDD North Prospect, Tok Mining District, Southeast Fairbanks Census Area, Alaska, USA
9.5km (5.9 miles) ⓘTiger Paw Occurrence, Tok Mining District, Southeast Fairbanks Census Area, Alaska, USA
10.0km (6.2 miles) ⓘDDY Occurrence, Tok Mining District, Southeast Fairbanks Census Area, Alaska, USA
10.1km (6.3 miles) ⓘUnnamed Occurrence (ARDF - MH257; northeast of peak 7360), Tok Mining District, Southeast Fairbanks Census Area, Alaska, USA
10.7km (6.7 miles) ⓘUnnamed Occurrence (ARDF - MH253; near peak 7360), Tok Mining District, Southeast Fairbanks Census Area, Alaska, USA
10.7km (6.7 miles) ⓘDDX Occurrence, Tok Mining District, Southeast Fairbanks Census Area, Alaska, USA
References
(2008) Alaska Resource Data File (ARDF) Open-File Report 2008-1225. US Geological Survey
 
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