CIBJO releases Gemmological Special Report: considers process of separating measurable facts from opinion; See Gemological Articles below.
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 Post subject: Heat Treatments
PostPosted: Tue Mar 05, 2013 7:41 pm 
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Location: Los Angeles, CA
I found this website and there is some specific info on the cooking temp of corundum (near the center of the page)
http://www.gemstonebuzz.com/heating

i'm not very familiar with this site. it doesn't look great. especially if the forum is any indicator.
does anyone know if they grabbed this from a book on treatments?

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