Sciences, Uppsala University, SE–752 36 Uppsala, Sweden Lee A. GROAT Department of Earth and Ocean Sciences...minerals and compounds of these elements, e.g., cassiterite, rutile, wolframitegroup minerals or Fe3+(Nb...enriched in Li, Rb, Cs, Be, Sn, Ta, B and P: Sidensjö in Sweden and three occurrences in Canada, namely Little...amblygonite, apatite, monazite-(Ce), lithiophilite, cassiterite, tantalian rutile, manganotantalite, microlite...concentrations of these elements. The Sidensjö pegmatites, Sweden An abundant population of pegmatite bodies |