From: Ralph Seguin 
To: atm{at}shore.net
Reply-To: Ralph Seguin 


Ok.
I'm sure this is folly and probably a much more expensive route to follow,
but here goes...

I've done my homework and searched the archives and not found anything
about how to fuse quartz or silica. A friend of mine has a bunch of quartz
and a kiln, and we were interested in trying to make a blank.

Anybody on the list done this?
Looking here:
   http://www.quartz.com/gedata.html

gives some of the properties.  Softening point is 1683 centigrade, but it
doesn't give the melting temperature, and I'm guessing its awfully high for
a normal kiln to achieve.

Melt temperature?
Fusing temperature?
Annealing temperature?
Annealing curve and times?

Procedures and equipment needed to fuse quartz? Beyond the novelty of doing
it yourself, is it worth the effort?
Thanks.
-Ralph



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