Composition: Cr Sn References: Can be used as a body stain. Maximum temperature 2300 F. Do not use Zinc in glazes. Must contain 6.7% to 8.4% Whiting. Mason Stains Home Page 6304 Violet - 1/4 pound 6304-14$8.47 Violet - 1/2 pound 6304-12$15.84 Violet - 1 pound 6304-1$29.50 Violet - 5 pounds 6304-5$136.55