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<p>[QUOTE=&quot;Walter Del Pellegrino, post: 12128, member: 90&quot;]<i>&quot;As an alchemist he had need of high temperature ceramics for use as crucibles. I&#039;ve wondered if other alchemists with the same needs hadn&#039;t developed hard paste porcelain without recognizing what it was.&quot;</i></p><p><i><br /></i></p><p>Moreotherstuff has just shown a collector&#039;s true instinct to think outside the box. Congratulations.</p><p>In 2007 Archaeology Magazine published an article based on the research of Dr. Marcos Martinon-Torres. His research shows that in Austira during the 15th century very special crucibles were being made to withstand high heat. These crucible,later known as Hessian Crucibles, were greatly desired and were shipped throughout Europe. Torres&#039; research showed that the secret ingredient in the crucibles was Mullite. Mullite, it turns out, is a rare mineral in the Kaolin family. Dr. Torres and I have communicated with one another over time about the subject which continues to fascinate us both.</p><p>So the answer to Moreotherstuff&#039;s question is &quot;Yes&quot;, the secret of porcelain had accidentally been discovered in Europe by the 1400&#039;s.</p><p><br /></p><p>Below is the article (pdf) as it appeared in the magazine.[/QUOTE]</p><p><br /></p>

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