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Bjønndalen quarry, Nittedal, Akershus, Norway

Quarry in operation. Permian rhombic porphyry is quarried for constructions and gravel.



References:
- Berg, H.-J. (1990): Etter Neumann. Wulfenitt. STEIN 17 (3),40

- Berg, H.-J. (1990): Etter Neumann. Stilpnomelan. STEIN 17 (4),37

- Berg, H. J. (1994): Bjønndalen Bruk. STEIN 21 (3), 205-216

- Kvamsdal, L. O. (1995): Nytt om mineraler. Bjønndalen Bruk. STEIN 22 (2), 109

- Werner, R. (1995): Ryktebørsen. STEIN 22 (4), 206-211 [on find of cuprite and tenorite]

- Wiik, G. H. (2003): Portrett Einar Ødegård. STEIN 30 (1): 6-10

- 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]

- Berg, H.-J. & Ødegård, E. (2003): Mineralene i Bjønndalen Bruk. Bergverksmuseets Skrift 25, 23-28

- Berg, H.-J. & Selbekk, R. S.(2007): Et nyfunn av fenakitt i Bjønndalen bruk. STEIN 34 (3 + 4), 32 and 30 [on a find of phenakite]





Mineral List:
Actinolite
Albite
Anatase
Anglesite ?
Azurite
Baryte
Bertrandite
Biotite
Brochantite
Calcite
Cerussite
'Chalcedony'
Chalcocite
Chalcopyrite
Chamosite
var: Thuringite

Clinochlore
Copper
Cuprite
var: Chalcotrichite

Dickite
Epidote
Fluorite
Galena
Goethite
Grossular
Gypsum
Harmotome
Hedenbergite
Hematite
Hemimorphite
'Heulandite'
Heulandite-Ca
Hydrozincite
Illite
Kaolinite
Laumontite
Magnetite
Malachite
Marcasite
Microcline
Muscovite
Parisite-(Ce)
Phenakite
Pyrite
Pyrrhotite
Quartz
Sepiolite
'Serpentine Group'
Smithsonite
Sphalerite
'Stilbite'
Stilpnomelane
Talc
Tenorite
Titanite
Tremolite
Wulfenite


56 entries listed. 49 valid minerals.

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