Vote for your favorite mineral in #MinCup26! - Monazite-(Ce) vs. Andalusite
It's a showdown with rare earth elemental ore Monazite-(Ce) and index mineral Andalusite.
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Biotite from
Dongwujiazi Au deposit, Xiaotazigou-Dongwujiazi ore field, Kazuo County, Chaoyang, Liaoning, China


Locality type:Deposit
Classification
Species:'Biotite' (not an IMA approved species)
Formula:K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Biotite data
Locality Data:Click here to view Dongwujiazi Au deposit, Xiaotazigou-Dongwujiazi ore field, Kazuo County, Chaoyang, Liaoning, China
Data Identifiers
Mindat Occurrence Record ID:808524
Long-form Identifier:1:3:808524:5
GUID (UUID V4):0
Nearest other occurrences of Biotite
6.0km (3.7 miles) ⓘXiaotazigou Au deposit, Xiaotazigou-Dongwujiazi ore field, Kazuo County, Chaoyang, Liaoning, China
45.1km (28.0 miles) ⓘXiaojiayingzi Cu-Mo-(Fe) deposit, Jianping County, Chaoyang, Liaoning, China
59.1km (36.7 miles) ⓘBaoguozi Fe deposit, Beipiao City, Chaoyang, Liaoning, China
73.1km (45.4 miles) ⓘTaijiying gold deposit, Beipiao City, Chaoyang, Liaoning, China
76.5km (47.5 miles) ⓘBaimashigou Cu-Mo deposit, Baituyingzi Mo-Cu ore field, Aohan Banner (Aohan Co.), Chifeng City (Ulanhad League; Chifeng Prefecture), Inner Mongolia, China
79.1km (49.1 miles) ⓘZhuanshanzi Au deposit, Aohan Banner (Aohan Co.), Chifeng City (Ulanhad League; Chifeng Prefecture), Inner Mongolia, China
References
Bowen Zhang, Fengyue Sun, Guolin Chang, and Jing Chen (2009): Global Geology 28(3), 297-304, 333
Fu, Lichun; Chen, Guihu; Yuan, He; Pei, Yingzheng; Wei, Qiang; Wang, Fangyue; Moftah, Ahmed S. (2026) Genesis and Tectono-Metallogenetic Setting of the Dongwujiiazi Gold Deposit, NE China: Insights from Whole-Rock Geochemistry and H–O–S–Pb Isotopes. Minerals, 16 (5). doi:10.3390/min16050435
 
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