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
Sonny Jim Group 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 Sonny Jim Group Prospect, Kodiak Mining District, Kodiak Island Borough, Alaska, USA
Data Identifiers
Mindat Occurrence Record ID:589771
Long-form Identifier:1:3:589771:1
GUID (UUID V4):0
Nearest other occurrences of Quartz
2.0km (1.3 miles) ⓘRambler Group Mine, Kodiak Mining District, Kodiak Island Borough, Alaska, USA
5.6km (3.5 miles) ⓘBaumann and Strickler Mine, Kodiak Mining District, Kodiak Island Borough, Alaska, USA
17.8km (11.1 miles) ⓘBrenneman; Brennan Prospect, Kodiak Mining District, Kodiak Island Borough, Alaska, USA
29.6km (18.4 miles) ⓘWhale Island; Friedland and Associates Prospect, Kodiak Mining District, Kodiak Island Borough, Alaska, USA
34.5km (21.4 miles) ⓘUnnamed Prospect (ARDF - KD019), Kodiak Mining District, Kodiak Island Borough, Alaska, USA
36.3km (22.6 miles) ⓘEast Anton Larsen Bay Occurrence, Kodiak Mining District, Kodiak Island Borough, Alaska, USA
37.9km (23.5 miles) ⓘWomens Bay; Shakmanof Prospect, Kodiak Mining District, Kodiak Island Borough, Alaska, USA
41.7km (25.9 miles) ⓘWanberg and Boyer Occurrence, Kodiak Mining District, Kodiak Island Borough, Alaska, USA
44.8km (27.8 miles) ⓘLake Occurrence, Kodiak Mining District, Kodiak Island Borough, Alaska, USA
50.9km (31.6 miles) ⓘMalina Bay Prospect, 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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