From my web searching I believe this is correct but if there are any
impurities in the topaz they can become radioactive. I don't want to
take any risks and have been pondering of late why so many young women I
have know have died in their 40-50's and wonder if it could be related
to such jewellery ( of course it could be the alchohol) - yes I know I
think too much.
As a doctor's assistant my wife takes X-rays as part of her tasks so we
have access to the film and development of such and she also has to wear
a detector badge which we considered leaving it next to for a month. I
was just wondering if there was a better method.
> Another thing too, and I'm sure someone more knowledgeable will correct
> me if I'm wrong, but I've always been under the impression that exposure of
> inert, inorganic material to ionizing radiation does not make it
> radioactive. It may induce chemical changes (hence the color change of
> precious stones) but does not convert it to a radiative material. To do so
> the object must be coated or impregnated with another radioactive substance.
>
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