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
Gradistea de Munte deposit, Hunedoara County, Romania


Locality type:Deposit
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 Gradistea de Munte deposit, Hunedoara County, Romania
Data Identifiers
Mindat Occurrence Record ID:1919754
Long-form Identifier:1:3:1919754:8
GUID (UUID V4):0
Nearest other occurrences of Biotite
34.1km (21.2 miles) ⓘDeva Mine, Deva, Hunedoara County, Romania
40.0km (24.8 miles) ⓘBolcana Mine, Certeju de Sus, Hunedoara County, Romania
46.5km (28.9 miles) ⓘLarga, Stănija, Buceș, Hunedoara County, Romania
49.6km (30.8 miles) ⓘVoia Cu deposit, Băița, Hunedoara County, Romania
55.5km (34.5 miles) ⓘAlmas-Stanija ore field, Almașu Mare, Alba County, Romania
63.2km (39.2 miles) ⓘContu-Negovanu Pegmatite Field, Lotru-Cibin Mountains, Sibiu County, Romania
75.7km (47.0 miles) ⓘRoșia Poieni Mine, Mușca, Lupșa, Alba County, Romania
91.7km (57.0 miles) ⓘDelineşti deposit, Brebu, Caraş-Severin County, Romania
References
HÎRTOPANU, Paulina; FAIRHURST, Robert J (2014) Mineralogy of the Gradistea de Munte rare element minerals occurrence, Sebes Mts., South Carpathians. Part II: phosphates and silicates. Romanian Journal of, 87 (1). p.57-60.
 
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