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<p>[QUOTE="Chinoiserie, post: 11182988, member: 79460"]Natural crazing is caused by temp fluctuations. The different rates of expansion and contraction between the glaze and ceramic cause the glaze to fracture. If the vase was sat on a hot surface, then the base would perhaps be affected more. Or possibly it's something that occured in the kiln. Maybe impurities from ash and such like got into the glaze on the base. Not sure if this would cause more crazing but I can see it being a possibility.[/QUOTE]</p><p><br /></p>
[QUOTE="Chinoiserie, post: 11182988, member: 79460"]Natural crazing is caused by temp fluctuations. The different rates of expansion and contraction between the glaze and ceramic cause the glaze to fracture. If the vase was sat on a hot surface, then the base would perhaps be affected more. Or possibly it's something that occured in the kiln. Maybe impurities from ash and such like got into the glaze on the base. Not sure if this would cause more crazing but I can see it being a possibility.[/QUOTE]
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