Semi-opaque glaze in the Laguna Cone 5 Crystal Blossom Glaze Series.

Crystalline Glaze Firing Schedule
There is no such thing as a foolproof firing schedule for crystalline glazes, but here is a good place to start for Cone 5:

Laguna recommends testing their glazes on test tile with your clay body before use in art or production. Photographic reproductions differ from actual colors.

Laguna glazes have no instructions on the label. Visit Laguna Clay's website for guidelines on using Laguna Glazes.