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Heat Treatments
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Author:  jimsfault [ Tue Mar 05, 2013 7:41 pm ]
Post subject:  Heat Treatments

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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