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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Hercynite from
Osumilite-bearing granulite, Vikeså, Bjerkreim, Rogaland, Norway


Locality type:Outcrop
Classification
Species:Hercynite
Formula:Fe2+Al2O4
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Hercynite data
Locality Data:Click here to view Osumilite-bearing granulite, Vikeså, Bjerkreim, Rogaland, Norway
Data Identifiers
Mindat Occurrence Record ID:1289239
Long-form Identifier:1:3:1289239:8
GUID (UUID V4):0
Nearest other occurrences of Hercynite
14.9km (9.2 miles) ⓘSapphirine locality, Ivesdalsfjellet, Vikeså, Bjerkreim, Rogaland, Norway
34.8km (21.6 miles) ⓘAlmgjotheii, Flatestøl, Lund, Rogaland, Norway
References
Laurent, A. (2016) Étude pétrologique et chronométrique (U–Th–Pb) de la monazite et du zircon dans les granulites de ultra-haute température du Rogaland, Norvège [Petrological and chronometric (U–Th–Pb) study of monazite and zircon in ultra-high temperature granulites from Rogaland, Norway]. Doctoral thesis, Géosciences Environnement Toulouse – UMR 5563.
 
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