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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Quartz from
Brown Bear; Old Harbor; Silver Queen; Barling Bay Prospect, Kodiak Mining District, Kodiak Island Borough, Alaska, USA


Locality type:Prospect
Classification
Species:Quartz
Formula:SiO2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Quartz data
Locality Data:Click here to view Brown Bear; Old Harbor; Silver Queen; Barling Bay Prospect, Kodiak Mining District, Kodiak Island Borough, Alaska, USA
Data Identifiers
Mindat Occurrence Record ID:577759
Long-form Identifier:1:3:577759:4
GUID (UUID V4):0
Nearest other occurrences of Quartz
36.8km (22.9 miles) ⓘMatson's Ledge Prospect, Kodiak Mining District, Kodiak Island Borough, Alaska, USA
37.4km (23.2 miles) ⓘAmok Gold Mine Mine, Kodiak Mining District, Kodiak Island Borough, Alaska, USA
37.5km (23.3 miles) ⓘWanberg Gold Mine Mine, Kodiak Mining District, Kodiak Island Borough, Alaska, USA
46.5km (28.9 miles) ⓘBear; Uyak Bay Mine, Kodiak Mining District, Kodiak Island Borough, Alaska, USA
47.3km (29.4 miles) ⓘCalaveras Occurrence, Kodiak Mining District, Kodiak Island Borough, Alaska, USA
47.3km (29.4 miles) ⓘDan Occurrence, Kodiak Mining District, Kodiak Island Borough, Alaska, USA
48.2km (29.9 miles) ⓘLake Occurrence, Kodiak Mining District, Kodiak Island Borough, Alaska, USA
56.4km (35.0 miles) ⓘWanberg and Boyer Occurrence, Kodiak Mining District, Kodiak Island Borough, Alaska, USA
65.1km (40.5 miles) ⓘSonny Jim Group Prospect, Kodiak Mining District, Kodiak Island Borough, Alaska, USA
66.5km (41.3 miles) ⓘRambler Group Mine, Kodiak Mining District, Kodiak Island Borough, Alaska, USA
References
(2008) Alaska Resource Data File (ARDF) Open-File Report 2008-1225. US Geological Survey
 
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