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Valberg Quarry, Kragerø, Telemark, Norway

Hydrothermal veins and alteration zones within a hyperite (gabboroic) complex exposed in a quarry.



References:
- Nordrum, F.S. Larsen, A.O. & Austrheim, H. (2000): Ni,Co-mineralizations in the Valberg quarry, Kragerø, South Norway: a progress report. Bergverksmuseets Skrift 17: 64-70

- Nordrum, F.S. (2000). Nyfunn av mineraler i Norge 1999-2000. Bergverksmuseets Skrift 17:59-63

- Nordrum, F.S. (2001): Noen funn av mineraler i Norge 2000-2001. STEIN 28 (2): 13- 19

- Nordrum, F. S. (2003): Nyfunn av mineraler i Norge 2002-2003. STEIN 30 (2), 4-10

- Nordrum, F.S. ; Larsen, A.O. & Erambert, M. (2003): Minerals of the heulandite series in Norway- a progress report. Norsk Bergverksmuseum skrift 25: 51-62 [with analysis on heulandite-Ca]


- Nordrum, F. S. (2004): Nyfunn av mineraler i Norge 2003-2004. STEIN 31 (2), 36-44





Mineral List:
Actinolite
Albite
'Albite-Anorthite Series'
'Allanite'
Almandine
Anatase
Ankerite
'Apatite'
Apatite-(CaOH)
Biotite
Calcite
Chalcopyrite
'Chlorite Group'
Clinochlore
Cobaltite
Copper
Cordierite
Dolomite
Dravite
Epidote
Galena
Gersdorffite
Graphite
Hematite
'Heulandite'
Heulandite-Ca
Heulandite-K
'Hornblende'
Illite
Ilmenite
Laumontite
Mackinawite
Magnetite
Malachite
Marialite
Millerite
Molybdenite
Montmorillonite
Muscovite
Natrolite
Opal
Palygorskite
Pentlandite
Phlogopite
'Pinite
var: Polychroilite'

Prehnite
Pumpellyite-(Mg)
Pyrite
Pyrrhotite
Quartz
Rutile
Siegenite
Sphalerite
Spinel
'Stilbite'
Stilpnomelane
Titanite
Tremolite
Uraninite


59 entries listed. 50 valid minerals.

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