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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Orthoclase from
Holtehædde, Hedrum, Larvik Commune, Vestfold, Norway


Locality type:Road Cutting
Classification
Species:Orthoclase
Formula:K(AlSi3O8)
Confirmation
Validity:Unconfirmed/Questioned
Data
Mineral Data:Click here to view Orthoclase data
Locality Data:Click here to view Holtehædde, Hedrum, Larvik Commune, Vestfold, Norway
Data Identifiers
Mindat Occurrence Record ID:1276366
Long-form Identifier:1:3:1276366:1
GUID (UUID V4):0
Nearest other occurrences of Orthoclase
17.1km (10.6 miles) ⓘHimberg Quarry, Ramnes, Tønsberg, Vestfold, Norway
22.8km (14.2 miles) ⓘGrønåsveien, Bugården, Sandefjord, Vestfold, Norway
24.7km (15.4 miles) ⓘHjertnesåsen (Ranvikmyra), Sandefjord, Vestfold, Norway
25.4km (15.8 miles) ⓘVarden area, Vesterøya, Sandefjord, Vestfold, Norway
32.0km (19.9 miles) ⓘSandvika, Svelvik, Drammen, Buskerud, Norway
32.0km (19.9 miles) ⓘNordre Jarlsberg Brygge, Selvik, Sande, Holmestrand, Vestfold, Norway
32.1km (20.0 miles) ⓘSelvik, Sande, Holmestrand, Vestfold, Norway
32.4km (20.2 miles) ⓘDyrdal, Sande, Holmestrand, Vestfold, Norway
33.1km (20.6 miles) ⓘSkafjellåsen, Sande, Holmestrand, Vestfold, Norway
33.7km (20.9 miles) ⓘUla pegmatite, Ula, Tjølling, Larvik Commune, Vestfold, Norway
References
Berge, Svein Arne (1993) Milaritt fra Himberg og Holtehædde [Milarite from Himberg and Holtehædde]. Mineralogisk-Geologisk Museum - Universitetet i Oslo - Interne notater, Geologisk Museums venner. 197-198
 
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