Skuleboda ( sv, Skuleboda kvartsfältspatbrott) was a

quartz Quartz is a hard, crystalline mineral composed of silica ( silicon dioxide). The atoms are linked in a continuous framework of SiO4 silicon-oxygen tetrahedra, with each oxygen being shared between two tetrahedra, giving an overall chemical ...

and

feldspar Feldspars are a group of rock-forming aluminium tectosilicate minerals, also containing other cations such as sodium, calcium, potassium, or barium. The most common members of the feldspar group are the ''plagioclase'' (sodium-calcium) feld ...

mine near Vänersborg, in western Sweden. Mining at Skuleboda begun in 1927, then halted the same year and continued again from 1931 to 1934. The mined deposit is a

pegmatite A pegmatite is an igneous rock showing a very coarse texture, with large interlocking crystals usually greater in size than and sometimes greater than . Most pegmatites are composed of quartz, feldspar, and mica, having a similar silicic co ...

with a length of 45 m and a maximum width of 10 m. It contains amazonite feldspar. Rare occurrences of yttrotantalite has been found in the mined pegmatite.

References

{{Reflist 1927 establishments in Sweden 1934 disestablishments in Sweden Feldspar mines in Sweden Quartz mines in Sweden Vänersborg Municipality Former mines in Sweden