It is considered to be a phosphorus bearing variety of thorite .
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 .
Auerlite is considered to be a phosphorus bearing variety of thorite .
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 .