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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Pentlandite from
Bohemia Basin, Yakobi Island, Chichagof Mining District (Chicagof Mining District), Hoonah-Angoon Census Area, Alaska, USA


Locality type:Basin
Classification
Species:Pentlandite
Formula:(NixFey)Σ9S8
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Chalcopyrite1
Pyrrhotite1
Data
Mineral Data:Click here to view Pentlandite data
Locality Data:Click here to view Bohemia Basin, Yakobi Island, Chichagof Mining District (Chicagof Mining District), Hoonah-Angoon Census Area, Alaska, USA
Data Identifiers
Mindat Occurrence Record ID:8470
Long-form Identifier:1:3:8470:3
GUID (UUID V4):0
Nearest other occurrences of Pentlandite
24.6km (15.3 miles) ⓘMirror Harbor; Davison Bay; Fleming Island Prospects, Chichagof Mining District (Chicagof Mining District), Sitka, Alaska, USA
68.2km (42.4 miles) ⓘBrady Glacier nickel-copper deposit Prospect, Glacier Bay Mining District, Alaska, USA
87.2km (54.2 miles) ⓘUnnamed Occurrence (ARDF - MF005; north wall of South Crillon Glacier), Yakutat Mining District, Hoonah-Angoon Census Area, Alaska, USA
90.4km (56.2 miles) ⓘBig Ledge Prospect, Chichagof Mining District (Chicagof Mining District), Hoonah-Angoon Census Area, Alaska, USA
98.9km (61.5 miles) ⓘMertie Lode Prospect, Admiralty Mining District, Hoonah-Angoon Census Area, Alaska, USA
References
USBM RI 4182
 
and/or  
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