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
Unnamed Occurrences (ARDF - MF057; southwest Gilbert Peninsula), Hoonah-Angoon Census Area, Alaska, USA


Classification
Species:Quartz
Formula:SiO2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Quartz data
Locality Data:Click here to view Unnamed Occurrences (ARDF - MF057; southwest Gilbert Peninsula), Hoonah-Angoon Census Area, Alaska, USA
Data Identifiers
Mindat Occurrence Record ID:595147
Long-form Identifier:1:3:595147:5
GUID (UUID V4):0
Nearest other occurrences of Quartz
12.6km (7.8 miles) ⓘUnnamed Occurrence (ARDF - MF062; south of Tidal Inlet), Hoonah-Angoon Census Area, Alaska, USA
14.6km (9.1 miles) ⓘUnnamed Occurrence (ARDF - MF059; east side of Queen Inlet), Hoonah-Angoon Census Area, Alaska, USA
15.6km (9.7 miles) ⓘHopalong Mine, Hoonah-Angoon Census Area, Alaska, USA
16.2km (10.1 miles) ⓘUnnamed Occurrence (ARDF - MF055; west of Rendu Inlet), Hoonah-Angoon Census Area, Alaska, USA
16.2km (10.1 miles) ⓘSunrise Prospect, Hoonah-Angoon Census Area, Alaska, USA
17.6km (10.9 miles) ⓘGalena Mine, Hoonah-Angoon Census Area, Alaska, USA
18.0km (11.2 miles) ⓘHighland Chief; Joe's Dream Prospect, Hoonah-Angoon Census Area, Alaska, USA
18.3km (11.4 miles) ⓘIncas Mine, Hoonah-Angoon Census Area, Alaska, USA
18.6km (11.6 miles) ⓘSilver Dick and Jennie claims Prospect, Hoonah-Angoon Census Area, Alaska, USA
19.1km (11.8 miles) ⓘSentinel Mine, Hoonah-Angoon Census Area, Alaska, USA
References
(2008) Alaska Resource Data File (ARDF) Open-File Report 2008-1225. US Geological Survey
 
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