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It's a showdown with rare earth elemental ore Monazite-(Ce) and index mineral Andalusite.
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Illite from
Sandaoling coal mine, Yizhou District, Hami Prefecture (Kumul Prefecture; Qumul Prefecture), Xinjiang, China


Locality type:Mine
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 Sandaoling coal mine, Yizhou District, Hami Prefecture (Kumul Prefecture; Qumul Prefecture), Xinjiang, China
Data Identifiers
Mindat Occurrence Record ID:1585612
Long-form Identifier:1:3:1585612:0
GUID (UUID V4):0
Nearest other occurrences of Illite
4.3km (2.7 miles) ⓘSandaoling Mine, Yizhou District, Hami Prefecture (Kumul Prefecture; Qumul Prefecture), Xinjiang, China
77.5km (48.2 miles) ⓘMeiling Cu-Au deposit, Yizhou District, Hami Prefecture (Kumul Prefecture; Qumul Prefecture), Xinjiang, China
78.8km (49.0 miles) ⓘHongtupu Cu-Zn-Au deposit, Yizhou District, Hami Prefecture (Kumul Prefecture; Qumul Prefecture), Xinjiang, China
85.9km (53.4 miles) ⓘKalatage Cu-Au deposit, Yizhou District, Hami Prefecture (Kumul Prefecture; Qumul Prefecture), Xinjiang, China
90.4km (56.2 miles) ⓘHongshan Au-Cu deposit, Yizhou District, Hami Prefecture (Kumul Prefecture; Qumul Prefecture), Xinjiang, China
References
Wei, Jinhao, Wei, Yingchun, Qin, Guohong, Ning, Shuzheng, Cao, Daiyong, Wang, Anmin (2023) Geochemistry, Mineralogy, and Coal Petrology of No. 4 Coal in Sandaoling Mine, Turpan-Hami Basin, Northwest China: Provenance and Peat Depositional Environment. Minerals, 13 (7) 837 doi:10.3390/min13070837
 
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