Cone 6: Smoke is an opaque grey-blue stoneware glaze with soft, subtle variegating hues. Application thickness strongly influences the fired color; surface texture will also produce variegation during the firing.
Cone 10: Color changes to a variegated sage green with a glossy finish.
*The first image is cone 6 and the second image is cone 10.
Tableware producers must test all finished ware to establish dinnerware status, due to possible variations in firing temperature and contamination.