Halluasiit
Viited
- ↑ http://www.mindat.org/show.php?id=1808&ld=1&pho=
- ↑ Kerr, Paul F. (1952). "Formation and occurrence of clay minerals". Clays and Clay Minerals. 1: 19–32.
- ↑ Peuraniemi, V. and Islam, R., 1993. The weathering in the Vuotso-Tankavaara area- The first evidence of halloysite in Finland. The Chemical eology, 107, lk. 307–311.
- ↑ http://ccm.geoscienceworld.org/content/25/1/1.abstract