Silica is the primary constituent of most types of glass and has the chemical formula SiO 2. Mineral quartz is the main form in which silica is found in nature; mineral quartz makes up an appreciable ...

Quartz is made of the chemical elements silicon and oxygen and has the chemical formula (SiO2). The mineral is colorless in its pure form, ...

When quartz is subjected to pressure, it produces a voltage that attracts gold that is dissolved in water. The secret is in the structure of the quartz, Voisey explains.

THIS book is lineal successor in a series of famous books dealing with structural chemistry from a physical point of view, the first of the line being G. N. Lewis's “Valence and the Structure of ...