Brief description of ceramic oxides, their properties and sources. Melting point, coefficient of expansion, surface tension, viscosity, volatilization, toxicity, color response, soluble and insoluble sources. Discussion of : Flux, Refractory and Glass-Former. Next video will be opacifiers, and colorants.

(Made a mistake in here where I said in Potassium, the copper blue in reduction...I meant iron blue in reduction...trying to find the annotation insert for windows but having trouble.)