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Corundum image database

Does anyone know of a database of inclusions we can use to distinguish natural from synthetic corundum?

Hi try this site
https://www.gemresearch.ch/research/inclusion-gallery

Thanks!

I also found this one:
https://www.aigsthailand.com/viewgallery.aspx?catid=1&title=Inclusions%20in%20Ruby&Ins=1

Try this for Ruby:https://www.gia.edu/gems-gemology/winter-2017-inclusions-natural-synthetic-ruby

And this for Sapphire: https://www.gia.edu/gems-gemology/summer-2017-inclusions-sapphire

I’ve found another website that may be of interest for anyone doing any microscopy

https://www.inclusiopedia.com/