Vote for your favorite mineral in #MinCup26! - Quartz vs. Asagiite
It's a classic vs a newbie as the most common named mineral in the crust Quartz is up against an exceedingly-rare sea foam-green mineral discovered just a few years ago Asagiite.
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Phengite from
Alder Creek Prospect (lode in Eagle D-3 quadrangle), Eagle Mining District, Southeast Fairbanks Census Area, Alaska, USA


Locality type:Prospect
Classification
Species:Muscovite var: Phengite
Formula:KAl1.5(Mg,Fe)0.5(Al0.5Si3.5O10)(OH)2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Phengite data
Locality Data:Click here to view Alder Creek Prospect (lode in Eagle D-3 quadrangle), Eagle Mining District, Southeast Fairbanks Census Area, Alaska, USA
Data Identifiers
Mindat Occurrence Record ID:1035835
Long-form Identifier:1:3:1035835:9
GUID (UUID V4):0
Nearest other occurrences of Phengite
1.1km (0.7 miles) ⓘFlanders Prospect, Eagle Mining District, Southeast Fairbanks Census Area, Alaska, USA
2.3km (1.4 miles) ⓘBonanza Creek Prospect (lode), Eagle Mining District, Southeast Fairbanks Census Area, Alaska, USA
4.6km (2.9 miles) ⓘFlume Creek Prospect (lode), Eagle Mining District, Southeast Fairbanks Census Area, Alaska, USA
References
(2008) Alaska Resource Data File (ARDF) Open-File Report 2008-1225. US Geological Survey
 
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