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