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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Native Copper from
Bird Creek; St. Louis Channel Mine, Yentna Mining District, Matanuska-Susitna Borough, Alaska, USA


Locality type:Mine
Classification
Species:Native Copper
Formula:Cu
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Native Copper data
Locality Data:Click here to view Bird Creek; St. Louis Channel Mine, Yentna Mining District, Matanuska-Susitna Borough, Alaska, USA
Data Identifiers
Mindat Occurrence Record ID:577121
Long-form Identifier:1:3:577121:9
GUID (UUID V4):0
Nearest other occurrences of Native Copper
9.5km (5.9 miles) ⓘThunder Creek Mine, Yentna Mining District, Matanuska-Susitna Borough, Alaska, USA
9.8km (6.1 miles) ⓘCache Creek Area Mine, Yentna Mining District, Matanuska-Susitna Borough, Alaska, USA
13.8km (8.6 miles) ⓘWindy Creek Mine, Yentna Mining District, Matanuska-Susitna Borough, Alaska, USA
72.0km (44.7 miles) ⓘQuestion Mark Prospect, Kantishna Mining District, Denali Borough, Alaska, USA
84.7km (52.6 miles) ⓘMt. Eielson prospects (Copper Mountain prospects), Kantishna Mining District, Denali Borough, Alaska, USA
References
(2008) Alaska Resource Data File (ARDF) Open-File Report 2008-1225. US Geological Survey
 
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