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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Cryptoperthite from
Nordre Blokkhus (Blokkhusberget), Fredriksvern Verft, Stavern (Fredriksvärn), Larvik Commune, Vestfold, Norway


Locality type:Hill
Classification
Species:Feldspar Group var: Cryptoperthite
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Cryptoperthite data
Locality Data:Click here to view Nordre Blokkhus (Blokkhusberget), Fredriksvern Verft, Stavern (Fredriksvärn), Larvik Commune, Vestfold, Norway
Data Identifiers
Mindat Occurrence Record ID:1585877
Long-form Identifier:1:3:1585877:5
GUID (UUID V4):0
Nearest other occurrences of Cryptoperthite
0.1km (0.1 miles) ⓘPegmatite occurrence near the old military hospital, Fredriksvern Verft, Stavern (Fredriksvärn), Larvik Commune, Vestfold, Norway
0.2km (0.1 miles) ⓘStavern (Fredriksvärn), Larvik Commune, Vestfold, Norway
1.0km (0.7 miles) ⓘCitadelløya (Festningsøya), Stavernsøya, Fredriksvern Verft, Stavern (Fredriksvärn), Larvik Commune, Vestfold, Norway
1.2km (0.7 miles) ⓘKikutøen, Stavernsøya, Fredriksvern Verft, Stavern (Fredriksvärn), Larvik Commune, Vestfold, Norway
2.0km (1.2 miles) ⓘRV 301 Helgeroaveien roadcut, Jahren pegmatite, Stavern (Fredriksvärn), Larvik Commune, Vestfold, Norway
2.3km (1.4 miles) ⓘFeldspar Prospect, Rakke, Stavern (Fredriksvärn), Larvik Commune, Vestfold, Norway
2.3km (1.5 miles) ⓘMathullet, Stavern (Fredriksvärn), Larvik Commune, Vestfold, Norway
3.2km (2.0 miles) ⓘSteinvika, Larvik Commune, Vestfold, Norway
7.3km (4.5 miles) ⓘSvennerhavna, Svenner, Stavern (Fredriksvärn), Larvik Commune, Vestfold, Norway
9.1km (5.6 miles) ⓘUla pegmatite, Ula, Tjølling, Larvik Commune, Vestfold, Norway
References
Larsen, Alf Olav - Ed. (2000) Brøgger og Reusch; den første turen til Langesundsfjorden. Norsk Bergverksmuseum Skrift, 17. 35-38 as "labradoriserende feldspat"
 
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