Silicate minerals are composed of silicon and oxygen, often with other metals, forming structures based on the SiO₄⁴⁻ tetrahedron unit. Non-silicate minerals lack this fundamental structure.
Which one of the following minerals is NOT a naturally occurring silicate ?
Asked in UPSC CAPF 2020 · Topic: Metals, Minerals, Ores: Properties, Uses (Distinction between minerals and ores)
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