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<p>[QUOTE=&quot;Cherryhill, post: 587770, member: 70&quot;]Flashing a process that involves chemicals in the glass changing color when the&nbsp; glass is either reheated of shocked with cold air. Amberina is an example of this. Fired on color is&nbsp; painted on the cold glass, usually powdered colored glass. It is refired and the powder fuses to the base glass.</p><p>Staining, as in Ruby Stain is a chemical process, the color is developed in a furnace, having been applied as a liquid to the cold glass.</p><p><br /></p><p>I&#039;m not at all lsure what process is involved in the above glass. The clear could be stained or fired on, the opaque colors are probably fired on.[/QUOTE]</p><p><br /></p>

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