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Gemological studies

I am seeking some sample stones to assist in my gemological studies.
If anybody has some of these stones please contact me off list.

Flame fusion ruby around I to 2 carats (for Florescence test stone)
Any shape

In around 1/2 carat sizes. Also any shape although round Brilliant
would be preferable! Diamond Simulants: Strontium Titanate YAG GGG
Synthetic Rutile

Harley Groff , Student GIA, (Anticipated GG Summer 2000)