Bob H wrote
> About the rendering, I've always thought of the glass as being tinted
green.
> They look real good to me anyway, even if not fitting my idea of a marble
> exactly.

I'd guess the colour would be down to low-quality glass, I imaging marble
factories buy the raw ... sand ? ... that is unsuitable for optical use.

> Side note on marbles: I have 5 ceramic marbles that were excavated from
the
> 1996 Olympic games site Atlanta, Georgia, USA where a marble factory
existed
> going back to the 1800's.

Any idea how they make them ? Glass marbles that is, not ceramic.

Thanks for your thoughts.

--
Duncan Gray
(warning: may contain traces of nut)

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