Crystal NebulaA beautiful translucent glaze with pale blue tones and gold colored crystals. Check out Ivory Crystal for a similar look without the blue. Crystalline Slow Cool Glazes are a great way to add exciting new details to your work. They are less runny than traditional crystal glazes, removing the need for a drip tray, and can be fired with other, non crystal glazes. They do still run, so take care with your application!