For those that may be interested,I just put up U.S. Patent Number 4,749,86"
Process for irradiating Topaz and the product resulting therefrom."
at my website http://www.LICCINI.com It can be found under"Treating Tips
halfway down the page as Topaz(Neucler).
It contains all the technical info and some insight into the Topaz
business that ruled the world from the mid 1970’s until late 1980’s.Enjoy.
Mark Liccini
LICCINI
Gemstone Rough Dealers since 1970
E-Mail: @Mark_Liccini1
http://www.LICCINI.com
Voice Mail/Fax: 201-795-1115
Mail Mail Drop
224 7th St#2B 72 Van Reipen Ave#166
Jersey City,N.J.07302 Jersey City,N.J.07306