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$8.78 Violet - 1/2 pound 6304-12$16.42 Violet - 1 pound 6304-1$30.58 Violet - 5 pounds 6304-5$141.55