Hi!
Great idea! Tomorrow I'm going to microwave an australite, an indochinite,
a moldavite, a bediasite, an apache tear, and a big chunk of wyoming obsidian
and see what happens.
Sterling
----------------------------------------------------------------------------
mafer wrote:
> Hi Sterling and list
> I still think the microwave test is valid and proves the same thing.
> Heat both in a microwave, and see the obsidian get too hot to handle (from
> water content).
> Mark
>
> > -----Original Message-----
> > From: [EMAIL PROTECTED]
> > [mailto:[EMAIL PROTECTED]]On Behalf Of Sterling
> > K. Webb
> > Sent: Wednesday, September 25, 2002 9:46 PM
> > To: Meteorite List
> > Subject: [meteorite-list] TEKTITES VS. TEARS
> >
> >
> > Hi,
> >
> > Obsidians have hundreds to thousands of times more water in
> > them than tektites. Heat obsidian in a vacuum and watch it bubble
> > away like crazy. Tektites basically just sit there when heated;
> > there's nothing to outgas.
> > On the other hand, the furnaces are hard to carry to shows,
> > there's no 440 V. lines available, etc., etc. But it's a positive
> > test.
> >
> >
> > Sterling K. Webb
> >
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