About DAT

Antimony is a metal naturally found in the earth’s crust. The manufacture of antimony trioxide (ATO) involves a reaction of antimony metal with oxygen that results in the formation of a white crystalline powder of a ceramic character. Total worldwide volume of ATO production was 120.000 tons in 2005.

Diantimony trioxide naturally exists as the minerals Valentinite and Senarmontite.

Valentinite is dimorphous with the mineral senarmontite. Both minerals have the exact same chemistry, but they have different structures. Senarmontite is isometric and valentinite is orthorhombic. Valentinite is associated with senarmontite as well as stibnite. Actually this association is no surprise since both senarmontite and valentinite are oxidation products of the antimony sulfide.

Notable occurrences include the Sensa Mine and the Djebel-Haminate Mine, Ain Beida, Qacentina (Constantine), Algeria; Freiberg, Germany; Dauphine, France; Bolivia; Pribram, Czech Republic; and Ham Sud Township, Wolfe County, Quebec, Canada.  

                                              Total   ~120,000 t

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