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Hidra (Hitterø), Flekkefjord, Vest-Agder, Norway
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Malacon
Hidra, Flekkefjord, Vest-Agder, Norway

Photo: C.H.M.-Schäfer
 
Name(s) in local language(s): Hidra, Flekkefjord kommune, Vest-Agder fylke, Norge
 
Hidra (formerly Hitterö) is an island on the southwestern coast of Norway. On the eastern part of the island, around the small Rasvåg bay, several granite pegmatite dikes has been quarried for feldspar. Quarrying started around 1870, and ended around 1906-1910. One eexception is the Iglettjødn quarry which was quarried until around 1930.

Xenotime-(Y) (Berzelius, 1824, under the name Phosporsyrad Ytterjord, Beudant 1832 under the name Xenotime), Kainosite-(Y) (Nordenskiöld, 1886), Polycrase-(Y) (Scheerer, 1844) and Aeschynite-(Y) (Brögger, 1906, under the name blomstrandine), were first described from pegmatites in this area. The pegmatites are also especially known for having produced large crystals of Gadolinite-(Y).

There is also a two pyroxene-bearing granulite containing ferrosilite.

Mineral List

Mineral list contains entries from the region specified including sub-localities
Abhurite
Aeschynite-(Ce)
Aeschynite-(Y) (TL)
Albite
var: Oligoclase

'Allanite'
'Apatite'
Beryl
'Biotite'
'Columbite'
Cotunnite
'Davidite'
Euxenite-(Y)
'Euxenite-(Y)-Polycrase-(Y) series'
'Feldspar Group'
Ferrosilite
Gadolinite-(Y)
Ilmenite
Kainosite-(Y) (TL)
Löllingite
Magnetite
Microcline
Molybdenite
'Monazite'
Monazite-(Ce)
Muscovite
Perrierite-(Ce)
Polycrase-(Y) (TL)
Quartz
Spessartine
Tengerite-(Y) ?
Thorite
Xenotime-(Y) (TL)
Zircon
var: Malacon


39 entries listed. 24 valid minerals. 4 type localities (valid minerals).

Localities in this Region

Norway
Norway

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References

Berzelius, J. (1824): Undersökning af några Mineralier. 1. Phosphorsyrad Ytterjord. Kongliga Svenska Vetenskaps-Akademiens Handlingar, 2 : 334-338

Berzelius, J. (1825): Account of two newly discovered Mineral Species. Edinburgh Journal of Science, 3, 327-332 [on xenotime-(Y)]

Beudant, F.S. (1832): Traité élémentaire de Minéralogie, second edition, 2 volumes: 2: 552.[on xenotime]

Scheerer, T. (1843): Ueber den Fundort und die Krystallform der phosphorsauren Yttererde. Annalen der Physik und Chemie (herausgegeben zu Berlin von J.C.Poggendorff),60:591-594

Scheerer, T. (1844): Polykras und Malakon, zwei neue Mineralspecies, Annalen der Physik und Chemie (Herausgegeben zu Berlin von J. C. Poggendorff), Vol. 138, 429-443

Lindström, G. (1881): Analys af thorit från Hitterö. Geologiska Föreningen i Stockholm Förhandlingar 5, p. 500 [analysis of thorite from Hidra]

Prior, G. T. (1899): Minerals from Swaziland: Niobates and Titanates of the Rare Earths, Chemically Allied to Euxenite and Fergusonite; Cassiterite, Monazite, etc. The “Æschynite” from Hitterö. Mineralogical Record, 12: 96-101

Schetelig, J. (1922): Gadolinit. in Brøgger, W.C, Vogt, Th. & Schetelig, J. (1922): Die Mineralien der südnorwegischen Granitpegmatitgänge. II. Silikate der seltenen Erde. Videnskapsselskapets Skrifter. I.Mat-Naturv. Klasse 1922. 11, 88-123 + plates XIV -XV

Adamson, O. J. (1942): The granite pegmatites of Hitterö, SW Norway. Geologiska Föreningen i Stockholm Förhandlingar 64: 97-116

Deer, W. A., Howie, R. A., and Zussman, J., 1963, Rock-Forming Minerals, v 2 Chain Silicates, p 21.

Wilke, H.J. (1976): Mineral-Fundstellen Band 4: Skandinavien. Chr. Weise Verlag, München, p 63-66

Ulland, L. A. (1994): Gruvedrift. in Hanssen, J., Hansson, H. & Larsen, O. (eds): (1994) Ytterst mot havet. Kystmuseet Fedrenes Minne 50 år. Hidra 1994, 63-72

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Copyright © Jolyon Ralph and Ida Chau 1993-2014. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. 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 thousands 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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