Vote for your favorite mineral in #MinCup26! - Sphalerite vs. Anorthite
Both zinc ore Sphalerite and calcium plagioclase feldspar Anorthite have perfect cleavage that will split cleanly if you hit them with a hammer, but only one can claim a larger split of your votes!
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Tourmaline from
Brekke, Bamble, Telemark, Norway


Locality type:Outcrop
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 Brekke, Bamble, Telemark, Norway
Data Identifiers
Mindat Occurrence Record ID:793571
Long-form Identifier:1:3:793571:8
GUID (UUID V4):0
Nearest other occurrences of Tourmaline
4.1km (2.5 miles) ⓘGjerset pegmatite quarry, Bamble, Telemark, Norway
4.2km (2.6 miles) ⓘTrosby pegmatites, Trosby, Bamble, Telemark, Norway
4.7km (2.9 miles) ⓘØstre Kjørstad Quarry, Kjørstad, Bamble, Telemark, Norway
4.7km (3.0 miles) ⓘRoverud pegmatite quarry, Bamble, Telemark, Norway
5.4km (3.4 miles) ⓘVestre Kjørstad 1 Quarry, Kjørstad, Bamble, Telemark, Norway
5.7km (3.5 miles) ⓘDanholmen quarry, Bamble, Telemark, Norway
6.0km (3.7 miles) ⓘØdegården apatite mines, Bamble, Telemark, Norway
6.8km (4.2 miles) ⓘHafsund Quarry, Hafsund islands, Bamble, Telemark, Norway
8.1km (5.0 miles) ⓘBreisand Quarry, Bamble, Telemark, Norway
8.7km (5.4 miles) ⓘIsnes I Quarry, Bamble, Telemark, Norway
References
Weibye, Paul Christian (1848) Beiträge zur topograpischen Mineralogie Norwegens. Archiv für Mineralogie, Geognosie, Bergbau und Hüttenkunde, 22. 465-544
 
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