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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Eudialyte Group from
Ramberg strand, Bjønnes, Porsgrunn, Telemark, Norway


Locality type:Pegmatite
Classification
Species:'Eudialyte Group' (not an IMA approved species)
Formula:[N(1)N(2)N(3)N(4)N(5)]3[M(1.1)M(1.2)]3[M(2.1)M(2.2)M(2.3)]3-6[M(3)M(4)]Z3[Si24O72]Θ4X(1)X(2)
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Eudialyte Group data
Locality Data:Click here to view Ramberg strand, Bjønnes, Porsgrunn, Telemark, Norway
Data Identifiers
Mindat Occurrence Record ID:84257
Long-form Identifier:1:3:84257:6
GUID (UUID V4):0
Nearest other occurrences of Eudialyte Group
4.0km (2.5 miles) ⓘFerry Quay, Bjørkøya, Porsgrunn, Telemark, Norway
6.1km (3.8 miles) ⓘEudialyte group occurrence, Siktesøya, Porsgrunn, Telemark, Norway
6.6km (4.1 miles) ⓘJohs Nilsens Quarry, Tvedalen, Larvik Commune, Vestfold, Norway
6.7km (4.2 miles) ⓘArøysundet, Larvik Commune, Vestfold, Norway
6.9km (4.3 miles) ⓘNatrolittodden, Vesle Arøya, Larvik Commune, Vestfold, Norway
6.9km (4.3 miles) ⓘA/S Granit Quarry, Tuften, Tvedalen, Larvik Commune, Vestfold, Norway
7.0km (4.3 miles) ⓘEudidymite-Epididymite locality, Vesle Arøya, Larvik Commune, Vestfold, Norway
7.0km (4.3 miles) ⓘEikaholmen, Larvik Commune, Vestfold, Norway
7.1km (4.4 miles) ⓘArøyskjærene North, Arøyskjærene (Arøy skerries), Larvik Commune, Vestfold, Norway
8.7km (5.4 miles) ⓘValleråsen, Porsgrunn, Telemark, Norway
References
Added by Stuart Mills 9-11-2002
 
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