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
Jałowiec quarry, Jałowiec, Gmina Lubań, Lubań County, Lower Silesian Voivodeship, Poland


Locality type:Quarry
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 Jałowiec quarry, Jałowiec, Gmina Lubań, Lubań County, Lower Silesian Voivodeship, Poland
Data Identifiers
Mindat Occurrence Record ID:1479064
Long-form Identifier:1:3:1479064:1
GUID (UUID V4):0
Nearest other occurrences of Biotite
4.1km (2.6 miles) ⓘKsięginki quarry, Lubań, Lubań County, Lower Silesian Voivodeship, Poland
10.5km (6.5 miles) ⓘGrabiszyce Quarry, Grabiszyce Średnie, Gmina Leśna, Lubań County, Lower Silesian Voivodeship, Poland
15.2km (9.5 miles) ⓘWyrwak Hill, Kamień, Gmina Mirsk, Lwówek Śląski County, Lower Silesian Voivodeship, Poland
17.9km (11.1 miles) ⓘMica slates quarry, Orłowice, Gmina Mirsk, Lwówek Śląski County, Lower Silesian Voivodeship, Poland
18.5km (11.5 miles) ⓘSn mine, Gierczyn, Gmina Mirsk, Lwówek Śląski County, Lower Silesian Voivodeship, Poland
19.5km (12.1 miles) ⓘOld leucogranite quarry, Kotlina, Gmina Mirsk, Lwówek Śląski County, Lower Silesian Voivodeship, Poland
25.9km (16.1 miles) ⓘRumburg granite quarry, Wolanów, Gmina Bogatynia, Zgorzelec County, Lower Silesian Voivodeship, Poland
27.6km (17.1 miles) ⓘStanisław Quarry, Kopaniec, Gmina Stara Kamienica, Karkonosze County, Lower Silesian Voivodeship, Poland
28.3km (17.6 miles) ⓘZwalisko, Szklarska Poręba, Karkonosze County, Lower Silesian Voivodeship, Poland
29.6km (18.4 miles) ⓘJizerská louka, Jizerka, Kořenov, Jablonec nad Nisou District, Liberec Region, Czech Republic
References
Krusch P. (1895) Beitrag zur Kenntniss der Basalte zwischen der Lausitzer Neisse und dem Queiss. Jahrbuch der Königlich Preussischen Geologischen Landesanstalt und Bergakademie zu Berlin [In German].
Lis, Józef, Sylwestrzak, Hubert (1986) Minerały Dolnego Śląska [Minerals of the Lower Silesia]. Wydawnictwa Geologiczne.
 
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