Mr. Johnson, Thank you for the clarification. In the USA we can get
no dealers to tell us exactly what treatments are being done to the
My belief is dealers do not know any better than I know.
As you know disclosure of treatments is now a requirement of all
sales. Would you be kind enough to inform us all of what kind of
radiation treatment is being done and where physically the treatment
is being accomplished? Are they using Cobalt 60, cobalt 66, or a
linear accelerator? Are the stones totally radiation free when
My experiences as a cutter in the USA are that we are not being told
near the truth about what is happening to the rough before we get to
see the stones. Leave alone what has happened to the cut stones that
are marketed in the USA. That is why I say that the best answer to
disclosure is "I do not know".
What other treatments do you know of? For zircons, rubies,
sapphires, topaz, and any other stones mined in Africa. Please