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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Amphibole Supergroup from
Gokstadhaugen roadcut, Sandefjord, Vestfold, Norway


Locality type:Road Cutting
Classification
Species:'Amphibole Supergroup' (not an IMA approved species)
Formula:AB2C5(T8O22)W2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Amphibole Supergroup data
Locality Data:Click here to view Gokstadhaugen roadcut, Sandefjord, Vestfold, Norway
Data Identifiers
Mindat Occurrence Record ID:459503
Long-form Identifier:1:3:459503:8
GUID (UUID V4):0
Nearest other occurrences of Amphibole Supergroup
0.3km (0.2 miles) ⓘRoad cut Helgerødveien, Sandefjord, Vestfold, Norway
1.3km (0.8 miles) ⓘKamfjordåsene East, Vesterøya, Sandefjord, Vestfold, Norway
1.5km (0.9 miles) ⓘKamfjord Quarry, Vesterøya, Sandefjord, Vestfold, Norway
1.6km (1.0 miles) ⓘVarden area, Vesterøya, Sandefjord, Vestfold, Norway
2.5km (1.5 miles) ⓘHaga, Vesterøya, Sandefjord, Vestfold, Norway
2.5km (1.6 miles) ⓘFramnes School, Framnes, Vesterøya, Sandefjord, Vestfold, Norway
2.6km (1.6 miles) ⓘHafallen, Østerøya, Sandefjord, Vestfold, Norway
2.7km (1.7 miles) ⓘVindalsvingen, Vindal, Vesterøya, Sandefjord, Vestfold, Norway
3.0km (1.9 miles) ⓘHjertnesåsen (Ranvikmyra), Sandefjord, Vestfold, Norway
3.1km (1.9 miles) ⓘRødsåsen, Framnes, Vesterøya, Sandefjord, Vestfold, Norway
References
Berge, Svein A., Larsen, Alf Olav (1980) Mineraler fra Sandefjordsområdet- IV. NAGS-NYTT, 7 (2) 21-24
 
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