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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Pyrite from
Herman Lode; Trench; Popof Island Gold; Centennial Prospect, Aleutians East Borough, Alaska, USA


Locality type:Prospect
Classification
Species:Pyrite
Formula:FeS2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Pyrite data
Locality Data:Click here to view Herman Lode; Trench; Popof Island Gold; Centennial Prospect, Aleutians East Borough, Alaska, USA
Data Identifiers
Mindat Occurrence Record ID:582103
Long-form Identifier:1:3:582103:7
GUID (UUID V4):0
Nearest other occurrences of Pyrite
2.0km (1.3 miles) ⓘRing; Propalof Prospect, Aleutians East Borough, Alaska, USA
3.0km (1.9 miles) ⓘVent Occurrence, Aleutians East Borough, Alaska, USA
5.4km (3.4 miles) ⓘStemwinder Occurrence, Aleutians East Borough, Alaska, USA
5.8km (3.6 miles) ⓘUnnamed Prospect (ARDF - PM104; north of Simeon Bight), Aleutians East Borough, Alaska, USA
7.2km (4.4 miles) ⓘThormac Occurrence, Aleutians East Borough, Alaska, USA
8.0km (5.0 miles) ⓘUnnamed Occurrence (ARDF - PM046; east of Zachary Bay), Aleutians East Borough, Alaska, USA
8.0km (5.0 miles) ⓘIrish Prospect, Aleutians East Borough, Alaska, USA
9.8km (6.1 miles) ⓘOchre Prospect, Aleutians East Borough, Alaska, USA
10.3km (6.4 miles) ⓘShumagin; Choumagin Prospect, Aleutians East Borough, Alaska, USA
10.5km (6.5 miles) ⓘUnnamed Prospect (ARDF - PM057; south of Zachary Bay), Aleutians East Borough, Alaska, USA
References
(2008) Alaska Resource Data File (ARDF) Open-File Report 2008-1225. US Geological Survey
 
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