EURO CERAMICS VIII, PTS 1-3, vol.264-268, pp.1361-1364, 2004 (SCI-Expanded)
Pyrophyllite, a clay mineral, is hydrous aluminum silicate which has a chemical formula of Al2Si4O10(OH)(2). Such properties of high dielectric constant (permittivity) and low electrical conductivity make it useful for ceramic and refractory.