Auerlite

Auerlite is a rare North Carolina mineral variety, remarkably rich in thoria, named after Carl Auer von Welsbach, the inventor of the Welsbach incandescent gas mantle. It is considered to be a phosphorus bearing variety of thorite. == Description == It was originally described as a hydrous silico-phosphate of thorium, ThO2(SiO2,⅓P2O5)+2H2O, i.e....
Found on http://en.wikipedia.org/wiki/Auerlite
No exact match found