Mayco Stoneware Crystal Glazes offer potters of all skill levels a unique way to create vibrant effects in their stoneware. These easy-to-use glazes contain colorful crystals that melt and bloom during firing, adding beautiful variations in color, finish, and texture to your pieces. Designed for Cone 5/6, they are also stable and pleasing at Cone 10. Pints. - Mayco Stoneware Crystal Glaze - Celadon Bloom, PintStoneware Crystal Glaze, CELADON BLOOM PT -