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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Tourmaline from
Gammelsrud 1 Feldspar Quarry, Gammelsrud, Degernes, Rakkestad, Østfold, Norway


Locality type:Quarry
Classification
Species:'Tourmaline' (not an IMA approved species)
Formula:AD3G6(T6O18)(BO3)3X3Z
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Tourmaline data
Locality Data:Click here to view Gammelsrud 1 Feldspar Quarry, Gammelsrud, Degernes, Rakkestad, Østfold, Norway
Data Identifiers
Mindat Occurrence Record ID:558702
Long-form Identifier:1:3:558702:5
GUID (UUID V4):0
Nearest other occurrences of Tourmaline
3.1km (1.9 miles) ⓘLannem 3 Quarry, Lannem, Degernes, Rakkestad, Østfold, Norway
6.6km (4.1 miles) ⓘSøndre Ski, Rakkestad, Østfold, Norway
23.7km (14.7 miles) ⓘLundestad, Berg, Halden, Østfold, Norway
68.3km (42.4 miles) ⓘSpro pegmatite, Nesodden, Akershus, Norway
77.0km (47.8 miles) ⓘØvre Lahell Quarry, Lier, Buskerud, Norway
77.4km (48.1 miles) ⓘSkallist Quarry, Klåstad, Tjølling, Larvik Commune, Vestfold, Norway
77.7km (48.3 miles) ⓘKlåstad Quarry, Klåstad, Tjølling, Larvik Commune, Vestfold, Norway
79.2km (49.2 miles) ⓘVardåsen Tunnel, Asker, Akershus, Norway
86.6km (53.8 miles) ⓘE 134 Road, Drammen, Buskerud, Norway
88.9km (55.2 miles) ⓘVardåsen Quarry, Malerød, Larvik Commune, Vestfold, Norway
References
Historica museum CollectionIdentification: Visual Identification
Broch, Olaf Anton (1934) Feltspat IV. Forekomster i Akershus og Østfold øst for Glomma [Feldspar IV. Occurrences in Akershus and Østfold east of Glomma]. Norges Geologiske Undersøkelse 141. Norges Geologiske Undersøkelse (NGU) p.1-119. pp.50-52
 
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