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Talc (Mg 3[Si 4O 10](OH) 2 or 3MgO·4SiO 2·H 2O) is a kind of magnesium silicate with a 2:1-type (TOT-type) trioctahedral layer structure. In the classification of mineral crystal chemistry, talc belongs to the silicate category, the layer-structured silicate subclass, and the talc group. In the structural-functional classification of mineral raw materials in mineral material science, talc belongs to the two-dimensional structural mineral category and the functional mineral subcategory.

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Talc

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  • 发表日期：

    2025年

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  • Ling Wang

摘要

Talc (Mg 3[Si 4O 10](OH) 2 or 3MgO·4SiO 2·H 2O) is a kind of magnesium silicate with a 2:1-type (TOT-type) trioctahedral layer structure. In the classification of mineral crystal chemistry, talc belongs to the silicate category, the layer-structured silicate subclass, and the talc group. In the structural-functional classification of mineral raw materials in mineral material science, talc belongs to the two-dimensional structural mineral category and the functional mineral subcategory.