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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Arsenopyrite from
Unnamed Occurrence (ARDF - MH256; north of Kimball Glacier), Tok Mining District, Southeast Fairbanks Census Area, Alaska, USA


Classification
Species:Arsenopyrite
Formula:FeAsS
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Arsenopyrite data
Locality Data:Click here to view Unnamed Occurrence (ARDF - MH256; north of Kimball Glacier), Tok Mining District, Southeast Fairbanks Census Area, Alaska, USA
Data Identifiers
Mindat Occurrence Record ID:593104
Long-form Identifier:1:3:593104:0
GUID (UUID V4):0
Nearest other occurrences of Arsenopyrite
1.1km (0.7 miles) ⓘRC East Prospect, Tok Mining District, Southeast Fairbanks Census Area, Alaska, USA
2.0km (1.2 miles) ⓘUnnamed Occurrence (ARDF - MH253; near peak 7360), Tok Mining District, Southeast Fairbanks Census Area, Alaska, USA
2.3km (1.4 miles) ⓘUnnamed Occurrence (ARDF - MH257; northeast of peak 7360), Tok Mining District, Southeast Fairbanks Census Area, Alaska, USA
2.6km (1.6 miles) ⓘRC Occurrence, Tok Mining District, Southeast Fairbanks Census Area, Alaska, USA
4.1km (2.6 miles) ⓘUnnamed Occurrence (ARDF - MH248; southwest of the head of Snowslide Creek), Tok Mining District, Southeast Fairbanks Census Area, Alaska, USA
10.9km (6.7 miles) ⓘPGX Prospect, Tok Mining District, Southeast Fairbanks Census Area, Alaska, USA
16.9km (10.5 miles) ⓘDD North Prospect, Tok Mining District, Southeast Fairbanks Census Area, Alaska, USA
17.4km (10.8 miles) ⓘDDY Occurrence, Tok Mining District, Southeast Fairbanks Census Area, Alaska, USA
18.6km (11.6 miles) ⓘDD South Prospect, Tok Mining District, Southeast Fairbanks Census Area, Alaska, USA
24.4km (15.2 miles) ⓘRum North Prospect, 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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