Re: Snaps

Randy Poe wrote:
> Uncle Al <[EMAIL PROTECTED]> wrote in message news:<[EMAIL PROTECTED]>...
>
> > How long did the Rosetta Stone last?  Pictures on gravestones?
>
>
> I don't know if it's because most gravestones use a
> fairly soft stone, but I'm surprised at how unreadable
> the inscriptions on 200-year-old stones often are, just from
> ordinary weathering. On the other hand, indoors (such as
> in old European cathedrals) inscriptions do much better.
> But maybe the kind of person who gets a stone inside
> a major cathedral also gets a better quality of stone
> and stonecarver.
>
>          - Randy

Gravestones are usually limestone or marble, and the "melt" in pH 5 
rain. Granite fairs a bit better, but tends to decompose, becoming 
"gruss" and lose detail.



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