Cone 6: Cenote is a semi-opaque, sky blue gloss glaze that has a variety of brown crystals that melt during firing.
Cone 10: Base color darkens. Crystals become darker and more defined.
*First image is cone 6, 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.