Vote for your favorite mineral in #MinCup26! - Hafnon vs. Putnisite
It's a pair of tiny minerals of unusual chemistry as orange Hafnon battles with purple Putnisite.
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Biotite from
Enyedi Quarry, Sukoró, Gárdony District, Fejér County, Hungary


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 Enyedi Quarry, Sukoró, Gárdony District, Fejér County, Hungary
Data Identifiers
Mindat Occurrence Record ID:304834
Long-form Identifier:1:3:304834:4
GUID (UUID V4):0
Nearest other occurrences of Biotite
21.6km (13.4 miles) ⓘAlcsútdoboz-2 Borehole, Bicskei District, Fejér County, Hungary
28.6km (17.7 miles) ⓘKőszárhegy Quarry, Kőszárhegy, Székesfehérvár District, Fejér County, Hungary
56.7km (35.2 miles) ⓘBükkös brook, Szentendre District, Pest County, Hungary
66.9km (41.6 miles) ⓘCsódi Hill, Dunabogdány, Szentendre District, Pest County, Hungary
70.5km (43.8 miles) ⓘCsák Hill, Márianosztra, Szob District, Pest County, Hungary
71.8km (44.6 miles) ⓘKorompa brook, Kóspallag, Szob District, Pest County, Hungary
73.0km (45.4 miles) ⓘBorbély Hill, Verőce, Szob District, Pest County, Hungary
77.2km (48.0 miles) ⓘVár Hill, Szokolya, Szob District, Pest County, Hungary
83.8km (52.1 miles) ⓘMagas Hill, Diósjenő, Nógrád County, Hungary
95.8km (59.5 miles) ⓘHalápi Hill (Haláp Hill), Zalahaláp, Tapolca District, Veszprém County, Hungary
References
Szakáll & Gatter: Hun. Min. Spec., 1993
 
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