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Tourmaline from
Batteriet, Nedre Eiker Church, Nedre Eiker, Buskerud, Norway

Locality type:Quarry
Classification
Species:'Tourmaline' (not an IMA approved species)
Formula:A(D3)G6(Si6O18)(BO3)3X3Z
Comments:spheres of radiating group up to 2 cm across has been found
Habit:prismatic crystals to a few mm long, often in radiating groups
Confirmation
Validity:Believed Valid
References
References:Raade, G. (1969): Contribution to the Mineralogy of Norway, No 40. Cavity minerals from the permian biotite granite at Nedre Eiker Church. Norsk Geologisk Tidskrift 49, 227-239
Data
Mineral Data:Click here to view Tourmaline data
Locality Data:Click here to view Batteriet, Nedre Eiker Church, Nedre Eiker, Buskerud, Norway
Nearest other occurrences of Tourmaline
0.6km (0.4 miles) Solbergmoen, Nedre Eiker, Buskerud, Norway
1.1km (0.7 miles) Ryggkollen, Nedre Eiker, Buskerud, Norway
5.8km (3.6 miles) Nikkerud Mines, Nedre Eiker, Buskerud, Norway
12.4km (7.7 miles) Øksne Quarry, Lier, Buskerud, Norway
14.3km (8.9 miles) Bakstevalåsen, Gunhildrud, Øvre Eiker, Buskerud, Norway
15.7km (9.8 miles) Øvre Lahell Quarry, Lier, Buskerud, Norway
18.2km (11.3 miles) Sætersberg (Sätersberg), Modum, Buskerud, Norway
20.3km (12.6 miles) Vardåsen Tunnel, Asker, Akershus, Norway
30.4km (18.9 miles) Spro pegmatite, Nesodden, Akershus, Norway
35.3km (21.9 miles) Øvre Dypingdal Mine, Dypingdal serpentine-magnesite deposit, Snarum, Modum, Buskerud, Norway
 
Mineral and/or Locality  
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