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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Sericite from
Unnamed Occurrence (ARDF - VA064; north of Tiekel), Nelchina Mining District, Valdez-Cordova Census Area, Alaska, USA


Classification
Species:Muscovite var: Sericite
Formula:KAl2(AlSi3O10)(OH)2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Sericite data
Locality Data:Click here to view Unnamed Occurrence (ARDF - VA064; north of Tiekel), Nelchina Mining District, Valdez-Cordova Census Area, Alaska, USA
Data Identifiers
Mindat Occurrence Record ID:594690
Long-form Identifier:1:3:594690:7
GUID (UUID V4):0
Nearest other occurrences of Sericite
3.4km (2.1 miles) ⓘRoss Prospect, Nelchina Mining District, Valdez-Cordova Census Area, Alaska, USA
4.1km (2.5 miles) ⓘPortland Prospect, Nelchina Mining District, Valdez-Cordova Census Area, Alaska, USA
4.6km (2.9 miles) ⓘUnnamed Prospect (ARDF - VA071; near Squaw Creek), Nelchina Mining District, Valdez-Cordova Census Area, Alaska, USA
6.1km (3.8 miles) ⓘEagle; Ellis; American Eagle Mine, Nelchina Mining District, Valdez-Cordova Census Area, Alaska, USA
6.2km (3.9 miles) ⓘReis Prospect, Nelchina Mining District, Valdez-Cordova Census Area, Alaska, USA
7.4km (4.6 miles) ⓘUnnamed Prospect (ARDF - VA072; head of Glacier Creek), Nelchina Mining District, Valdez-Cordova Census Area, Alaska, USA
8.0km (5.0 miles) ⓘKnowles; Knowles and Backman Property Prospect, Nelchina Mining District, Valdez-Cordova Census Area, Alaska, USA
8.5km (5.3 miles) ⓘTelluride Prospect, Nelchina Mining District, Valdez-Cordova Census Area, Alaska, USA
9.1km (5.6 miles) ⓘWetzier; Quail Group Mine, Nelchina Mining District, Valdez-Cordova Census Area, Alaska, USA
9.3km (5.8 miles) ⓘQuartz Creek; Quartz Creek Gold Mining Co. Prospect, Tonsina Mining District, Valdez-Cordova Census Area, Alaska, USA
References
(2008) Alaska Resource Data File (ARDF) Open-File Report 2008-1225. US Geological Survey
 
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