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
Zhuopan, Yunlong County, Dali, Yunnan, China


Locality type:Occurrence
Classification
Species:'Biotite' (not an IMA approved species)
Formula:K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Age information
Maximum recorded age:37 Ma
Minimum recorded age:37 Ma
Sample ages:
Recorded ageGeologic TimeSampleDating method
137 MaEocene - K-Ar
Sample references:
1 -
Tu, G. C., Zhang, Y. Q., & Zhao, Z. H. (1984). A preliminary study on the two alkali-rich intrusive rock belts in South China. Geology of granites and its relations with mineralization (in Chinese). Jiangsu Science and Technology Press, Jiangsu, 21-37.
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Biotite data
Locality Data:Click here to view Zhuopan, Yunlong County, Dali, Yunnan, China
Data Identifiers
Mindat Occurrence Record ID:1329430
Long-form Identifier:1:3:1329430:8
GUID (UUID V4):0
Nearest other occurrences of Biotite
11.6km (7.2 miles) ⓘZhuopan alkaline complex, Yongping County, Dali, Yunnan, China
23.5km (14.6 miles) ⓘTiechang Sn deposit (Yunlong Sn deposit), Lancang river valley (Lancangjiang valley; Mekong valley), Yunlong County, Dali, Yunnan, China
31.0km (19.2 miles) ⓘJinchanghe Mine, Longyang District, Baoshan, Yunnan, China
43.4km (27.0 miles) ⓘShiganghe Sn-W deposit, Yunlong County, Dali, Yunnan, China
57.6km (35.8 miles) ⓘAlin Au deposit, Shuixie Cu–Co ore field, Yongping County, Dali, Yunnan, China
67.3km (41.8 miles) ⓘDatongchang Sn-Pb-Zn deposit (Dadongchang Sn-Pb-Zn deposit), Tengchong Sn belt, Tengchong County, Baoshan, Yunnan, China
95.1km (59.1 miles) ⓘGudong Sn deposit, Tengchong Sn belt, Tengchong County, Baoshan, Yunnan, China
98.6km (61.3 miles) ⓘXiaolonghe Sn deposit, Tengchong Sn belt, Tengchong County, Baoshan, Yunnan, China
100.0km (62.1 miles) ⓘShuangmacao Au deposit, Machangqing Cu-Mo-Au ore field (Baoxingchang Cu-Mo-Au ore field), Midu County, Dali, Yunnan, China
100.0km (62.1 miles) ⓘBeiya Au-Cu ore field, Heqing County, Dali, Yunnan, China
References
Fangliu, D., Xuanxue, M., Xuehui, Y., Zengqian, H., & Yong, W. (2007). Trace elements geochemical and Nd-Sr-Pb isotopes characteristics of the Zhuopan alkaline complex in Yongping, Yunnan Province and its geological significance. Acta Petrologica Sinica, 23(5), 986-994.
 
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