Thursday, January 13, 2005

Allemontite

The mineral arsenic antimonide (AsSb). It commonly occurs in veins, as at Allemont, Is�re, Fr.; Valtellina, Italy; and the Comstock Lode, Nevada. It also is present in a lithium pegmatite at Varutr�sk, Swed. Polished sections of most specimens of allemontite show an intergrowth of allemontite with either pure arsenic in a vein occurrence or with nearly pure antimony in a