(Bastnäsfältet)
These mines were earliest mentioned in 1692. The elements cerium and lanthanium were discovered in minerals from Bastnäs. Mining during the period 1875-1888 produced 4,500 tons of cerium ore (mainly bastnäsite and allanite).
Refs.:
- Haidinger, W. (1845): Handbuch bestimm. Min 1st ed., 500.
- Palache, C., Berman, H. & Frondel, C. (1944), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, 7th. edition, Volume I: 264.
- 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: 242.
- Geologiska Föeningens I Stockholm. Förhandlinger, Stockholm (2004): vol. 126.
- Canadian Mineralogist (2004): 42(4): 1097-1103.
- Öhman, L. , Nysten, P. and Langhof, J. (2004). "Famous mineral localities: the Bastnäs mines - Riddarhyttan ore field, Bergslagen district, Västmanland, Sweden." The Mineralogical Record, 35(3),pp:187-200.