Varuträsk, Skellefteå, Västerbotten, Sweden

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Varuträsk, Skellefteå, Västerbotten, Sverige

Pegmatite of the LCT (Lithium-Caesium-Tantalum) type, quarried since 1938.

References

- Mineralogical Magazine: 43: 227.
- Mineralogical Magazine: 48: 443.
- Geologiska Föreningens I Stockholm Förhandlingar(GFF), Stockholm (1937): 59: 95.
- Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 670, 851.
- Quensel, P. (1957) The Paragenesis of the Varuräsk Pegmatite, in Arkiv för Mineralogi och Geologi (AMG; no 2: 1-2) Stockholm.

- Sandström, F. (2008) Varuträskpegmatiten. Litofilen, 25, 17-46. (in Swedish)

- http://www.geology.neab.net/locality/varutras.htm [Link dead. Aug 2011]

Mineral List

Albite 'Allemontite' Alluaudite (TL) Alluaudite-Na□ Alluaudite-NaNa Almandine Amblygonite Antimony Arsenic Beryl Bismuth Cassiterite Columbite Cookeite Dickite Elbaite Eosphorite Fairfieldite

Ferrisicklerite Fluorapatite var: Mn-bearing Fluorapatite Hagendorfite Halloysite Herzenbergite Heterosite Hingganite-(Y) Hydroxylapatite Ixiolite Kaolinite Kasolite Lepidolite Lithiophilite Löllingite Meta-autunite Microlite Group var: Stannomicrolite (of Hogarth 1977) Montebrasite

Montmorillonite Muscovite Nacrite Paragonite Petalite Pollucite Polylithionite ? Purpurite Pyrochlore Group Romanèchite Roméite Group var: Stibiconite Rubicline ? Sénarmontite Sicklerite Spodumene Stibarsen (TL) 'Stibiomicrolite (of Groat et al)' Stibiotantalite

Stibnite Tantalite-(Mn) Tapiolite-(Fe) Topaz 'Tourmaline var: Indicolite' 'var: Rubellite' 'var: Verdelite' Triphylite Triplite Uraninite var: Pitchblende Uranophane Varulite (TL) Vivianite Wodginite Zircon

70 entries listed. 57 valid minerals. 3 type localities (valid minerals).