[Rockhounds] UV Light recommendations wanted

[John Scully]

Thanks, Kreigh
☺

On Mon, Jul 9, 2018 at 7:55 PM, Kreigh Tomaszewski <kreigh at gmail.com> wrote:

> Hyalite is SiO2 · nH2O and is not radioactive, but it has a tendency to
> incorporate Uranium (often in the form of Nováčekite), which causes it go
> fluoresce bright green (Aragonite does this too). If it glows green it is
> probably radioactive.
> Put your radioactives behind glass or plastic to block the alpha and beta
> radiation. Be reasonably well ventilated to avoid buildup of radon. Wash
> you hands immediately after handling, as your biggest risk is accidental
> ingestion (or contact with mucus tissue). Most radioactives are not a
> problem is you take simple precautions.
> But for bulk radioactives I would consider the garage for storage, or do a
> radon test a week after storing them in the basement.
>
> Kreigh
>
>
> On Mon, Jul 9, 2018 at 6:18 PM, John Scully <jscully216 at gmail.com> wrote:
>
> > Hi, All
> >
> > I just purchased about 100 pounds of hyalite opal on chalcedony from
> > Mexico.  Now I want to put it under a UV light.  So, I am asking for
> > recommendations on what to purchase.  Questions such as:
> >
> > 1.  SW vs. LW?
> > 2.  Flashlight size units?
> > 3.  Larger units?
> > 4.  Battery operated?
> > 5.  Price range -- this is important to me.  anything useful at around
> > $200?
> >
> > Also, does hyalite have any radioactivity?
> >
> > Thanks
> >
> > John Scully
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