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E18 roadcut, Slevolden, Langangen, Porsgrunn, Telemark, Norway

Pectolite
E18 roadcut, Slevolden, Langangen, Porsgrunn, Telemark, Norway

Photo: A. Michalsen

Mineral List

Aegirine
Albite
Allanite-(Ce)
Amesite
Analcime
Andradite
Apophyllite-(KF)
Arsenopyrite
'Biotite'
Böhmite
Bornite ?
Britholite-(Ce)
Calcite
Cerussite
Chalcopyrite
Chamosite
Chevkinite-(Ce)
'Chlorite Group'
Clinozoisite
Covellite
Datolite
Epididymite
Epidote
Fluorite
Galena
Gonnardite
Hambergite
Helvine
Hematite
Magnetite
Malachite
Meliphanite
Microcline
Molybdenite
Natrolite
Paragonite
Pectolite
Pyrite
Pyrophanite
Pyrrhotite ?
Quartz
Riebeckite
Sphalerite
Stilpnomelane ?
Sulphur
Thomsonite-Ca ?
Thorite
Titanite
Tritomite-(Ce) ?
Wulfenite
Zircon
Zirconolite
var: Polymignite



52 entries listed. 49 valid minerals.

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References

- Burvald, Ingulv (1993): To forekomster av nefelin-syenitt-pegmatitt i Telemark. STEIN 20 (3), 176-179
- Engvoldsen,T.,Andersen, F.,Berge, S.A. & Burvald, I. (1991): Pegmatittmineraler fra Larvik ringkompleks. STEIN 18 (1),15-71
- Larsen, A.O. & Erambert, M. (2007): The chemical composition of garnets from the syenitic pegmatites in the Larvik Plutonic Complex. Norsk Bergverksmuseum Skrift. 35: 41-48 [with analysis of andradites from Slevolden]

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Copyright © Jolyon Ralph and Ida Chau 1993-2013. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
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