topaz mining, mining of topaz, topaz, topaz loaction
TOPAZ MINING : DESCRIPTION : Topaz is a silicate mineral that is valued as a gemstone. The topaz in the Old Testament also may have been chrysolite. Topaz is an aluminum silicate containing fluorine and has a chemical formula of Al 2FOH 2 SiO4. It is formed by fluorine vapours given off during the last stages of the crystallization of igneous rocks. It typically occurs in cavities in




































