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Re: Irradiated gemstones

The  Radiation Laboratory at University of Massachusetts Lowell is active in doing
gemstone irradiations.  For more information, you can contact Dr. G.H.R. Kegel at:

                            Radiation Laboratory
                      University of Massachusetts Lowell
                              1 University Ave.
                              Lowell, MA 01854
                            (Tel) 978. 934. 3281
                            (Fax) 978. 459. 6561

>        Among the description how different gem stones
> > > are treated one paragraph read "All Blue Topazes presently in the market
> > > were enhanced by irradiation and heating processes for color addition".
> > >
> > > Can this be confirmed?
> > >
> > > Franz
> > >
> > >
> > > Franz Schoenhofer
> > > Habicherg. 31/7
> > > A-1160 Vienna
> > > Austria
> > > Tel.: +43-1-495 53 08
> > > Fax.: same number
> > > mobile phone: +43-664-338 0 333
> > > e-mail: schoenho@via.at




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