Imogolite

Imogolite is an aluminium silicate clay mineral with formula: Al2SiO3(OH)4. It occurs in soils formed from volcanic ash and was first described in 1962 for an occurrence in Uemura, Kumamoto prefecture, Kyushu Region, Japan. Its name is derived from the Japanese imogo for the brownish yellow soil derived from volcanic ash. It occurs with allophane,...
Found on http://en.wikipedia.org/wiki/Imogolite

imogolite

(from the article `clay mineral`) Imogolite is an aluminosilicate with an approximate composition of SiO2 Al2O3 2.5H2O. This mineral was discovered in 1962 in a soil derived from ...
Found on http://www.britannica.com/eb/a-z/i/11
No exact match found