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
Matson's Ledge 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 Matson's Ledge Prospect, Kodiak Mining District, Kodiak Island Borough, Alaska, USA
Data Identifiers
Mindat Occurrence Record ID:585302
Long-form Identifier:1:3:585302:1
GUID (UUID V4):0
Nearest other occurrences of Quartz
0.8km (0.5 miles) ⓘAmok Gold Mine Mine, Kodiak Mining District, Kodiak Island Borough, Alaska, USA
0.8km (0.5 miles) ⓘWanberg Gold Mine Mine, Kodiak Mining District, Kodiak Island Borough, Alaska, USA
9.7km (6.0 miles) ⓘBear; Uyak Bay Mine, Kodiak Mining District, Kodiak Island Borough, Alaska, USA
10.4km (6.5 miles) ⓘCalaveras Occurrence, Kodiak Mining District, Kodiak Island Borough, Alaska, USA
10.4km (6.5 miles) ⓘDan Occurrence, Kodiak Mining District, Kodiak Island Borough, Alaska, USA
13.4km (8.3 miles) ⓘLake Occurrence, Kodiak Mining District, Kodiak Island Borough, Alaska, USA
22.4km (13.9 miles) ⓘWanberg and Boyer Occurrence, Kodiak Mining District, Kodiak Island Borough, Alaska, USA
36.8km (22.9 miles) ⓘBrown Bear; Old Harbor; Silver Queen; Barling Bay Prospect, Kodiak Mining District, Kodiak Island Borough, Alaska, USA
52.2km (32.4 miles) ⓘSonny Jim Group Prospect, Kodiak Mining District, Kodiak Island Borough, Alaska, USA
54.2km (33.7 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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