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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
Wuxiangpo Mine, Xushui District, Baoding, Hebei, 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 Wuxiangpo Mine, Xushui District, Baoding, Hebei, China
Data Identifiers
Mindat Occurrence Record ID:705765
Long-form Identifier:1:3:705765:6
GUID (UUID V4):0
Nearest other occurrences of Illite
70.3km (43.7 miles) ⓘBaishitai Au-Ag deposit, Quyang County, Baoding, Hebei, China
References
Surong Ji, Zheng Xia, and Mingdi Su (1987): Acta Mineralogica Sinica 7(2), 163-168
 
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