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Opal from
Heftetjern pegmatite, Tørdal, Drangedal, Telemark, Norway


Locality type:Pegmatite
Classification
Species:Opal
Formula:SiO2 · nH2O
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Opal data
Locality Data:Click here to view Heftetjern pegmatite, Tørdal, Drangedal, Telemark, Norway
Data Identifiers
Mindat Occurrence Record ID:226609
Long-form Identifier:1:3:226609:1
GUID (UUID V4):0
Nearest other occurrences of Opal
44.2km (27.5 miles) ⓘFlekkeren, Skien, Telemark, Norway
50.8km (31.6 miles) ⓘValberg Quarry, Valberg, Kragerø, Telemark, Norway
62.9km (39.1 miles) ⓘParadisbukta, Store Arøya (Arøy), Larvik Commune, Vestfold, Norway
65.3km (40.6 miles) ⓘA/S Granit Quarry, Tuften, Tvedalen, Larvik Commune, Vestfold, Norway
65.5km (40.7 miles) ⓘTuften, Tvedalen, Larvik Commune, Vestfold, Norway
69.0km (42.9 miles) ⓘLysebo roadcut, Lysebo, Hedrum, Larvik Commune, Vestfold, Norway
69.1km (42.9 miles) ⓘThorstein Quarry, Brunlanes, Larvik Commune, Vestfold, Norway
69.3km (43.1 miles) ⓘVardåsen Quarry, Malerød, Larvik Commune, Vestfold, Norway
70.2km (43.6 miles) ⓘRoadcut 1, Pauler, Larvik Commune, Vestfold, Norway
72.0km (44.7 miles) ⓘBratthagen 3 hillside pegmatites, Lågendalen, Hedrum, Larvik Commune, Vestfold, Norway
References
Raade, Gunnar, Kristiansen, Roy (2000) Mineralogy and geochemistry of the Heftetjern granite pegmatite, Tørdal: a progress report. Norsk Bergverksmuseum Skrift, 17. 19-25
 
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