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
Rishaugfjellet Molybdenum Prospects, Fauske, Nordland, Norway


Locality type:Prospect
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 Rishaugfjellet Molybdenum Prospects, Fauske, Nordland, Norway
Data Identifiers
Mindat Occurrence Record ID:1876896
Long-form Identifier:1:3:1876896:9
GUID (UUID V4):0
Nearest other occurrences of Biotite
3.8km (2.4 miles) ⓘHarelifjell, Sørfold, Nordland, Norway
18.7km (11.6 miles) ⓘSørskardvatnet Tungsten Deposit, Fauske, Nordland, Norway
25.5km (15.8 miles) ⓘMons Petter Mine, Sulitjelma Copper Mines, Sulitjelma, Fauske, Nordland, Norway
26.7km (16.6 miles) ⓘCharlotta Mine, Sulitjelma Copper Mines, Sulitjelma, Fauske, Nordland, Norway
27.1km (16.8 miles) ⓘMjønesskaret Base Metal Prospect, Bodø, Nordland, Norway
28.1km (17.4 miles) ⓘGiken Mine, Sulitjelma Copper Mines, Sulitjelma, Fauske, Nordland, Norway
28.2km (17.5 miles) ⓘJakobsbakken Mines, Sulitjelma Copper Mines, Sulitjelma, Fauske, Nordland, Norway
28.6km (17.8 miles) ⓘHankabakken Mine, Sulitjelma Copper Mines, Sulitjelma, Fauske, Nordland, Norway
29.3km (18.2 miles) ⓘNy-Sulitjelma Mine, Sulitjelma Copper Mines, Sulitjelma, Fauske, Nordland, Norway
29.7km (18.5 miles) ⓘHolmsen Mine (Gudrun Mine), Sulitjelma Copper Mines, Sulitjelma, Fauske, Nordland, Norway
References
(2001) Occurence 1841 - 013 Rishaugfjellet. The Ore Database, Geological Survey of Norway.
 
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