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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Britholite-(Ce) from
Rønningen E 18 roadcuts, Porsgrunn, Telemark, Norway


Locality type:Road Cutting
Classification
Species:Britholite-(Ce)
Formula:(Ce,Ca)5(SiO4)3OH
Confirmation
Validity:Unconfirmed/Questioned
Data
Mineral Data:Click here to view Britholite-(Ce) data
Locality Data:Click here to view Rønningen E 18 roadcuts, Porsgrunn, Telemark, Norway
Data Identifiers
Mindat Occurrence Record ID:171111
Long-form Identifier:1:3:171111:0
GUID (UUID V4):0
Nearest other occurrences of Britholite-(Ce)
1.0km (0.6 miles) ⓘE18 roadcuts, Slevolden, Porsgrunn, Telemark, Norway
8.3km (5.1 miles) ⓘEikevegåsen Quarry, Bassebu, Porsgrunn, Telemark, Norway
9.3km (5.8 miles) ⓘSagåsen Quarry, Sagåsen, Auenlandet, Porsgrunn, Telemark, Norway
9.4km (5.8 miles) ⓘSaga 1 Quarry, Sagåsen, Auenlandet, Porsgrunn, Telemark, Norway
10.1km (6.3 miles) ⓘVevja 2 Quarry, Tvedalen, Larvik Commune, Vestfold, Norway
10.4km (6.5 miles) ⓘVevja Quarry, Tvedalen, Larvik Commune, Vestfold, Norway
10.5km (6.5 miles) ⓘVevja East Quarry, Tvedalen, Larvik Commune, Vestfold, Norway
11.1km (6.9 miles) ⓘTuften, Tvedalen, Larvik Commune, Vestfold, Norway
11.2km (6.9 miles) ⓘBjørndalen Quarry (Lundhs labrador), Tvedalen, Larvik Commune, Vestfold, Norway
11.3km (7.0 miles) ⓘHauane Quarry (Walter Rimstad Quarry), Tvedalen, Larvik Commune, Vestfold, Norway
References
Burvald, Ingulv (1993) To forekomster av nefelin-syenitt-pegmatitt i Telemark, in Telemark II. STEIN. Nordisk magasin for populær geologi, 20 (3) 176-179
 
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