Kjerulfin gruva, Nedre Havredal, Havredal, Bamble, Telemark, Norge
A unique mine being probably the only phosphate-mine where wagnerite (kjerulfine) was the major ore. It was mined in 1877(?). The wagnerites are in many places totally altered to apatite in the mine, where the wagnerite is yellow and the apatite bone-white. The main adits have collapsed at the entrance, but there is an open shaft.
No collecting allowed without the owner's permission!
References
- Brøgger, W.C. & Reusch, H.H. (1880): Norske Apatitforekomster. Nyt Magasin for Naturvidenskaberne, 25: 255-300 [p.273].
- Neumann, H. (1985): Norges Mineraler. Norges geologiske Undersøkelse Skrifter 68, p. 118.
Mineral List
8 entries listed. 7 valid minerals.
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