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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Nontronite from
Javorka fluorite prospect, Běstvina, Chrudim District, Pardubice Region, Czech Republic


Locality type:Prospect
Classification
Species:Nontronite
Formula:Na0.3Fe2((Si,Al)4O10)(OH)2 · nH2O
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Nontronite data
Locality Data:Click here to view Javorka fluorite prospect, Běstvina, Chrudim District, Pardubice Region, Czech Republic
Data Identifiers
Mindat Occurrence Record ID:1599109
Long-form Identifier:1:3:1599109:8
GUID (UUID V4):0
Nearest other occurrences of Nontronite
50.7km (31.5 miles) ⓘŘehořov graphitic rock occurrence, Řehořov, Kamenice, Jihlava District, Vysočina Region, Czech Republic
68.6km (42.6 miles) ⓘHřídelec quarry, Hřídelec, Lázně Bělohrad, Jičín District, Hradec Králové Region, Czech Republic
69.0km (42.9 miles) ⓘPokojovice pegmatite, Pokojovice, Třebíč District, Vysočina Region, Czech Republic
70.9km (44.1 miles) ⓘResidual rocks outcrop, Řípov, Třebíč, Třebíč District, Vysočina Region, Czech Republic
References
Venclík V. (2018): Průzkumná šachta Zdena u Javorky v Železných horách. Minerál, 26, 4, 347-352
 
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