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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Biotite from
Cihai iron mine, Yizhou District, Hami Prefecture (Kumul Prefecture; Qumul Prefecture), Xinjiang, China


Locality type:Mine
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 Cihai iron mine, Yizhou District, Hami Prefecture (Kumul Prefecture; Qumul Prefecture), Xinjiang, China
Data Identifiers
Mindat Occurrence Record ID:874488
Long-form Identifier:1:3:874488:3
GUID (UUID V4):0
Nearest other occurrences of Biotite
45.3km (28.2 miles) ⓘShadong W-Mo deposit, Yizhou District, Hami Prefecture (Kumul Prefecture; Qumul Prefecture), Xinjiang, China
51.4km (32.0 miles) ⓘM1033 Fe deposit, Yizhou District, Hami Prefecture (Kumul Prefecture; Qumul Prefecture), Xinjiang, China
52.3km (32.5 miles) ⓘYamansu quartz deposit, Yizhou District, Hami Prefecture (Kumul Prefecture; Qumul Prefecture), Xinjiang, China
57.8km (35.9 miles) ⓘJuyuan W deposit, Yizhou District, Hami Prefecture (Kumul Prefecture; Qumul Prefecture), Xinjiang, China
62.2km (38.7 miles) ⓘYuxi Ag deposit, Yizhou District, Hami Prefecture (Kumul Prefecture; Qumul Prefecture), Xinjiang, China
73.2km (45.5 miles) ⓘShuangqing Cu deposit, Yizhou District, Hami Prefecture (Kumul Prefecture; Qumul Prefecture), Xinjiang, China
73.6km (45.8 miles) ⓘYantan Mn deposit, Dashui-Hongliuhe Mn ore belt, Yizhou District, Hami Prefecture (Kumul Prefecture; Qumul Prefecture), Xinjiang, China
81.8km (50.9 miles) ⓘChengxuan Ni–Cu deposit, Dunhuang Co., Jiuquan, Gansu, China
96.2km (59.8 miles) ⓘDonggebe W-Mo deposit, Yizhou District, Hami Prefecture (Kumul Prefecture; Qumul Prefecture), Xinjiang, China
98.4km (61.2 miles) ⓘHuaping Mn deposit, Dashui-Hongliuhe Mn ore belt, Yizhou District, Hami Prefecture (Kumul Prefecture; Qumul Prefecture), Xinjiang, China
References
Shuying Qin (1983): Acta Petrologica Mineralogica et Analytica 2(4), 272-281
Chunji Xue, Jinsheng Ji, and Qianjin Yang (2000): Mineral Deposits 19(2), 156-164
Guochao Zuo, Shaoxiong Li, Shounan Yu, and Qiulin Li (2004): Northwestern Geology 37(2), 53-61
Jiahao Zheng, Qingpeng Meng, Hailong Liu, Bin Wu, Feng Liu, Qiang Li, and Wenqing Han (2014): Mineral Deposits 33(2), 271-285
 
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