Haruto Muraishi
Abstract
Abstract The reaction of brucite (Mg(OH)2) with soluble SiO2 under hydrothermal conditions to yield talc (Mg3Si4O10(OH)2) is found to occur via serpentine (Mg3Si2O5(OH)4) as an intermediate phase below 415 °C, whereas above 430 °C an additional intermediate, forsterite (Mg2SiO4) is formed.
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Abstract The reaction of brucite (Mg(OH)2) with soluble SiO2 under hydrothermal conditions to yield talc (Mg3Si4O10(OH)2) is found to occur via serpentine (Mg3Si2O5(OH)4) as an intermediate phase below 415 °C, whereas above 430 °C an additional intermediate, forsterite (Mg2SiO4) is formed.
Key concepts: Talc, Forsterite, Brucite, Chemistry, Hydrothermal circulation, Yield (engineering), Phase (matter), Hydrothermal reaction