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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Dacite from
Xiaonangou Au deposit, Dongwan gold field, Song County, Luoyang, Henan, China


Locality type:Deposit
Classification
Type:Dacite
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Dacite data
Locality Data:Click here to view Xiaonangou Au deposit, Dongwan gold field, Song County, Luoyang, Henan, China
Data Identifiers
Mindat Occurrence Record ID:1661742
Long-form Identifier:1:3:1661742:1
GUID (UUID V4):0
Nearest other occurrences of Dacite
6.7km (4.2 miles) ⓘHuaishuping Au deposit, Dongwan gold field, Song County, Luoyang, Henan, China
12.2km (7.6 miles) ⓘHuangshui'an Mo-(Pb) deposit, Song County, Luoyang, Henan, China
18.2km (11.3 miles) ⓘLeimengou Mo-Au deposit, Qiyugou ore field, Song County, Luoyang, Henan, China
18.7km (11.6 miles) ⓘDongwan Au deposit, Dongwan gold field, Song County, Luoyang, Henan, China
23.0km (14.3 miles) ⓘHongzhuang Au deposit, Shizimiao Au-Mo ore field, Luanchuan County, Luoyang, Henan, China
25.6km (15.9 miles) ⓘHuanxiangwa Mine (Huangxiangwa Mine; Huaxiangwa Mine), Song County, Luoyang, Henan, China
27.4km (17.1 miles) ⓘYuanling Au deposit, Shizimiao Au-Mo ore field, Luanchuan County, Luoyang, Henan, China
51.6km (32.1 miles) ⓘHaopinggou Mine, Tieluping ore field, Luoning County, Luoyang, Henan, China
References
Wang, Mengqi, Mao, Jingwen, Wang, Zuoman, Yan, Guolong, Liu, Shufei, Jiang, Haoyuan, Tian, Yongfei, Wang, Peng, Chen, Gang, Miao, Guang, et al. (2024) Short wavelength infrared (SWIR) spectral and geochemical characteristics of white micas in the Xiaonangou gold deposit, East Qinling: As a hyperspectral tool in exploration. Ore Geology Reviews, 175. 106349 doi:10.1016/j.oregeorev.2024.106349
Zhang, Dexian; Chen, Shaowei; Zen, Shuishi; Hu, Ziqi; C.Bayless, Richard (2025) In-situ monazite dating and mineral chemistry of Xiaonangou Au deposit, Qinling orogenic belt: Implications for Au mineralization. Ore Geology Reviews, 184. 106750 doi:10.1016/j.oregeorev.2025.106750
 
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