Question
Structural classification of silicates
Answer :
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Silicates are the most abundant group of minerals in the Earth’s crust and their classification is primarily based on the arrangement of the silicon-oxygen tetrahedron (SiO₄)⁴⁻, which is the fundamental building block. In the structural classification of silicates, the connectivity of these tetrahedra determines the mineral group, physical properties, and economic significance. Nesosilicates, or orthosilicates, have isolated SiO₄ tetrahedra linked only by cations such as
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