Documents It is a birthstone for November (as is citrine) and the state gem of Texas. TOPAZ DEPOSITS Topaz is....

Slide 1 It is a birthstone for November (as is citrine) and the state gem of Texas. TOPAZ DEPOSITS Topaz is an aluminum silicate containing fluorine and has a chemical formula…

Documents 320, avenue Archimède Les Pléiades III – bât A 13 857 Aix en Provence Cedex 3 France...

Slide 1 320, avenue Archimède Les Pléiades III – bât A 13 857 Aix en Provence Cedex 3 France Téléphone : +33(0)4.42.37.12.70 Télécopie : +33(0)4.42.37.12.71 www.clearsy.com…