Tag «physical properties of rock crystal quartz»

Quartz; The minerals of Silica Group

Quartz is the collective name used for the minerals of Silica group. The Chemical composition of all minerals of quartz is Silicon and Oxygen. The chemical formula of these minerals is SiO2. Quartz is commonly found in vugs or pockets in pegmatite dikes (coarse-grained igneous rocks). There are more than 30 types of quartz, among …