This article throws light upon the four important types of silicate minerals. The types are: 1. Orthosilicates 2. Inosilicates 3. Phyllosilicates 4. Tectosilicates. Silicate Minerals: Type # 1. Orthosilicates: Represented by olivine—(Fe, Mg)2 SiO4: The structure consists of individual silicon-tetrahedra (SiO4)4- alternating with positively charged metal ions (Fe, Mg) which balance the negative charge of […]