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
Marble outcrop, Lushan County, Pingdingshan, Henan, China


Locality type:Outcrop
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 Marble outcrop, Lushan County, Pingdingshan, Henan, China
Data Identifiers
Mindat Occurrence Record ID:1624964
Long-form Identifier:1:3:1624964:6
GUID (UUID V4):0
Nearest other occurrences of Biotite
3.3km (2.0 miles) ⓘTieshanling Fe ore pit, Lushan County, Pingdingshan, Henan, China
4.8km (3.0 miles) ⓘYaochang Fe deposit, Lushan County, Pingdingshan, Henan, China
33.5km (20.8 miles) ⓘDonggou Mo deposit, Ruyang County, Luoyang, Henan, China
48.3km (30.0 miles) ⓘYangyugou carbonatite, Song County, Luoyang, Henan, China
59.4km (36.9 miles) ⓘFangcheng occurrence, Fangcheng County, Nanyang, Henan, China
61.7km (38.3 miles) ⓘShuangshan alkaline complex, Fangcheng County, Nanyang, Henan, China
64.5km (40.1 miles) ⓘBaishugang rutile deposit, Fangcheng County, Nanyang, Henan, China
66.0km (41.0 miles) ⓘShuidongling Cu-Pb-Zn deposit (Shuidonglin Cu-Pb-Zn deposit), Nanzhao County, Nanyang, Henan, China
78.8km (49.0 miles) ⓘYuchiling Mo Mine, Song County, Luoyang, Henan, China
80.6km (50.1 miles) ⓘQiyugou Mine, Qiyugou ore field, Song County, Luoyang, Henan, China
References
Lan, Caiyun; Long, Xiaoping (2023) Redox-stratified seawater during the GOE: Evidences from rare earth elemental and C-O isotopic compositions of Paleoproterozoic BIF and carbonate rocks from the Taihua Group, North China Craton. Ore Geology Reviews, 157. doi:10.1016/j.oregeorev.2023.105424
 
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