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<p>[QUOTE=&quot;kardinalisimo, post: 105822, member: 118&quot;]Could the white be pulverized silica?</p><p>Here are two other Tiffany Cypriote pieces explaining the technique:</p><p><br /></p><p>To replicate the devitrified surfaces of buried artifacts, particles of metallic oxides were applied to a mass of molten glass. This created a chemical reaction that, in turn, pitted the surface of the glass when it was held to a flame. Alternatively, a gather of molten glass was rolled over a marver (i.e. steel plate) covered in pulverized silica rock, a process which also pitted its surface.</p><p><br /></p><p><a href="http://www.arsh.com/utility0708/dataforms/NeighborhoodCatalogImages.cfm?Proprietor=unique@arsh.com&amp;Showimage=yes&amp;InventoryNumber=un111225-6" target="_blank" class="externalLink ProxyLink" data-proxy-href="http://www.arsh.com/utility0708/dataforms/NeighborhoodCatalogImages.cfm?Proprietor=unique@arsh.com&amp;Showimage=yes&amp;InventoryNumber=un111225-6" rel="nofollow">http://www.arsh.com/utility0708/dataforms/NeighborhoodCatalogImages.cfm?Proprietor=unique@arsh.com&amp;Showimage=yes&amp;InventoryNumber=un111225-6</a></p><p><br /></p><p><a href="https://www.liveauctioneers.com/item/17103108_tiffany-studios-cypriote-vase" target="_blank" class="externalLink ProxyLink" data-proxy-href="https://www.liveauctioneers.com/item/17103108_tiffany-studios-cypriote-vase" rel="nofollow">https://www.liveauctioneers.com/item/17103108_tiffany-studios-cypriote-vase</a>[/QUOTE]</p><p><br /></p>

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