Mineral Blue Coupe Plate 16.5cm: Mineral is inspired by the mottled surface texture created by traditional artisan glazes. The reactivity within the Mineral pattern creates a subtle two tone effect.: Raku By Churchill: : Blue - Churchill Super Vitrified - 16.5:cm - 7.5:in - Round - Dishwasher Safe - Microwave Safe - Subtle two tone effect created by reactivity/ - Each piece is a unique creation.