Blue Topaz

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 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

                            Gemstone Rough Dealers since 1970
                              E-Mail: @Mark_Liccini1
                              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