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Opal from
Stavern (Fredriksvärn), Larvik, Vestfold, Norway

Classification
Species:Opal
Formula:SiO2 · nH2O
Comments:Brøgger (1890) reports of a find made by K.A.Fredholm. The find was made on one of the small skerries near Stavern
Confirmation
Validity:Believed Valid
References
References:Brøgger, W.C. (1890): Die Mineralien der Syenitpegmatitgänge der südnorwegischen Augit-und Nephelinsyenite. Zeitschrift für Kristallographie und Mineral.16. p.15
Data
Mineral Data:Click here to view Opal data
Locality Data:Click here to view Stavern (Fredriksvärn), Larvik, Vestfold, Norway
Localities for Opal in this Region
Jahrehagen cottage grounds, Jahren pegmatite (Jaren pegmatite), Stavern (Fredriksvärn), Larvik, Vestfold, Norway
Jahrehagen roadcut, Jahren pegmatite (Jaren pegmatite), Stavern (Fredriksvärn), Larvik, Vestfold, Norway
Nearest other occurrences of Opal
3.1km (1.9 miles) Nalum, Brunlanes, Larvik, Vestfold, Norway
7.5km (4.7 miles) Thorstein Quarry, Brunlanes, Larvik, Vestfold, Norway
8.8km (5.5 miles) Roadcut 1, Pauler, Larvik, Vestfold, Norway
10.7km (6.7 miles) Vardåsen Quarry (Vardaasen Quarry; Vardasen Quarry), Malerød, Larvik, Vestfold, Norway
11.2km (7.0 miles) A/S Granit Quarry, Tuften (Tuften 1 Quarry; Tuften 2 Quarry), Tvedalen, Larvik, Vestfold, Norway
17.1km (10.6 miles) Buer, Vesterøya, Sandefjord, Vestfold, Norway
17.2km (10.7 miles) Lysebo roadcut, Lysebo, Hedrum, Larvik, Vestfold, Norway
17.5km (10.8 miles) Husebyåsen prospect, Vesterøya, Sandefjord, Vestfold, Norway
17.5km (10.9 miles) Kjela, Yxney, Østerøya, Sandefjord, Vestfold, Norway
17.9km (11.1 miles) Bratthagen 3 hillside pegmatites, Lågendalen, Hedrum, Larvik, Vestfold, Norway
 
Mineral and/or Locality  
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