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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Quartz from
Østre Kjørstad Quarry, Kjørstad, Bamble, Telemark, Norway


Locality type:Quarry
Classification
Species:Quartz
Formula:SiO2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Quartz data
Locality Data:Click here to view Østre Kjørstad Quarry, Kjørstad, Bamble, Telemark, Norway
Data Identifiers
Mindat Occurrence Record ID:650497
Long-form Identifier:1:3:650497:7
GUID (UUID V4):0
Nearest other occurrences of Quartz
0.6km (0.4 miles) ⓘVestre Kjørstad II Quarry, Kjørstad, Bamble, Telemark, Norway
0.6km (0.4 miles) ⓘTrosby pegmatites, Trosby, Bamble, Telemark, Norway
0.8km (0.5 miles) ⓘVestre Kjørstad 1 Quarry, Kjørstad, Bamble, Telemark, Norway
1.9km (1.2 miles) ⓘHavredal I quarry, Midtre Havredal, Havredal, Bamble, Telemark, Norway
2.2km (1.3 miles) ⓘWagnerite Prospect, Midtre Havredal, Havredal, Bamble, Telemark, Norway
2.2km (1.3 miles) ⓘHafredal II quarry, Midtre Havredal, Havredal, Bamble, Telemark, Norway
2.5km (1.6 miles) ⓘØdegården apatite mines, Bamble, Telemark, Norway
2.6km (1.6 miles) ⓘØdegården Quarry, Bamble, Telemark, Norway
2.6km (1.6 miles) ⓘToner pegmatite, Bamble, Telemark, Norway
2.7km (1.6 miles) ⓘDanholmen quarry, Bamble, Telemark, Norway
References
Larsen, Alf Olav (2025) Pegmatittbrudd i Telemark [Pegmatite quarries in Telemark]. Alf Olav Larsen. p.1-212.p.25
 
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