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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Illite from
Thacker Pass deposit, McDermitt Caldera Center, Humboldt County, Nevada, USA


Locality type:Deposit
Classification
Species:Muscovite var: Illite
Formula:K0.65Al2.0[Al0.65Si3.35O10](OH)2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Illite data
Locality Data:Click here to view Thacker Pass deposit, McDermitt Caldera Center, Humboldt County, Nevada, USA
Data Identifiers
Mindat Occurrence Record ID:1344726
Long-form Identifier:1:3:1344726:5
GUID (UUID V4):0
Nearest other occurrences of Illite
40.8km (25.4 miles) ⓘSleeper mine, Awakening Mining District, Humboldt County, Nevada, USA
87.1km (54.1 miles) ⓘSummer Camp pit, Getchell Mine, Adam Peak, Potosi Mining District, Osgood Mountains, Humboldt County, Nevada, USA
88.1km (54.8 miles) ⓘChimney Creek Mine (Chimney Prospect), Potosi Mining District, Osgood Mountains, Humboldt County, Nevada, USA
89.1km (55.4 miles) ⓘRabbit Creek Mine, Potosi Mining District, Osgood Mountains, Humboldt County, Nevada, USA
91.3km (56.7 miles) ⓘTwin Creeks Mine, Potosi Mining District, Osgood Mountains, Humboldt County, Nevada, USA
97.6km (60.7 miles) ⓘKramer Hill Mine, Golconda Mining District, Humboldt County, Nevada, USA
References
Castor, S.B.
Henry, C.D. (2020) Lithium-Rich Claystone in the McDermitt Caldera, Nevada, USA: Geologic, Mineralogical, and Geochemical Characteristics and Possible Origin. Minerals 10, 68.
Benson, Thomas R., Coble, Matthew A., Dilles, John H. (2023) Hydrothermal enrichment of lithium in intracaldera illite-bearing claystones. Science Advances, 9 (35) doi:10.1126/sciadv.adh8183
 
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