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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Stilpnomelane from
Yantoucun Fe deposit (Yent'outs'un Fe deposit), Wuzhai Co., Xinzhou, Shanxi, China


Locality type:Deposit
Classification
Species:Stilpnomelane
Formula:K4Fe482+[Si64Al8]O164(OH)52 · nH2O
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Stilpnomelane data
Locality Data:Click here to view Yantoucun Fe deposit (Yent'outs'un Fe deposit), Wuzhai Co., Xinzhou, Shanxi, China
Data Identifiers
Mindat Occurrence Record ID:547858
Long-form Identifier:1:3:547858:3
GUID (UUID V4):0
References
Iwao, S. (1969) Banded magnetite ore deposits and metamorphic rocks in the vicinity of Yen-tou-tsun, Wu-tai-shan, Shan-hsi province, China (with appendix on hematite ore deposits in the vicinity of Ting-hsiang and Tung-yeh-chen). (In: Geology and Mineral Resources of the Far East, Vol 2, pp 425-441, Tokyo University Press).
 
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