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
E 134 Road, Drammen, Buskerud, Norway


Locality type:Road Cutting
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 E 134 Road, Drammen, Buskerud, Norway
Data Identifiers
Mindat Occurrence Record ID:544885
Long-form Identifier:1:3:544885:2
GUID (UUID V4):0
Nearest other occurrences of Biotite
2.3km (1.4 miles) ⓘNarverud Mines, Mjøndalen, Drammen, Buskerud, Norway
3.4km (2.1 miles) ⓘDalemyr Mine (Treholt Mine), Dalemyr Mines, Mjøndalen, Drammen, Buskerud, Norway
5.3km (3.3 miles) ⓘBatteriet, Åssiden, Drammen, Buskerud, Norway
10.8km (6.7 miles) ⓘRundemyr, Øvre Eiker, Buskerud, Norway
12.9km (8.0 miles) ⓘKjenner Bismuth Mine, Lierskogen, Lier, Buskerud, Norway
14.6km (9.0 miles) ⓘShore of Eikeren, Hamre, Øvre Eiker, Buskerud, Norway
16.3km (10.1 miles) ⓘVardåsen Tunnel, Asker, Akershus, Norway
17.5km (10.9 miles) ⓘBakstevalåsen, Gunhildrud, Øvre Eiker, Buskerud, Norway
18.1km (11.3 miles) ⓘBergsgruva, Øvre Eiker, Buskerud, Norway
18.5km (11.5 miles) ⓘJuve Quarry, Svelvik, Drammen, Buskerud, Norway
References
Nordli, Ørnulf L., Johansen, David (1997) Ny E 134 Drammen- Nedre Eiker, in Kongsberg Mineralsymposium 1997. STEIN. Nordisk magasin for populær geologi, 24 (3) 116-121
Nordli, Ørnulf L., Johansen, David (1997) Ny RV 11 Drammen - Nedre Eiker. Mineraler fra veiutbyggingen. Norsk Bergverksmuseum Skrift, 12. 44-45
 
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