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A group of minerals containing various amounts of the elements Silicon and Oxygen. The Silicates are the largest group of minerals. The construction component of all Silicates is the tetrahedron, which is one Silicon atom equidimensionally placed around four Oxygen atoms.
The most abundant mineral group, characterized by the presence of silica tetrahedra in their structures. Silicon-oxygen tetrahedron The silicate anion composed of one silicon atom and four oxygen atoms (SO42-) arranged as a tetrahedron. Single-chain structure An atomic arrangement in which each silicate tetrahedron shares one oxygen atom with another tetrahedron, forming a chain of tetrahedra.