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Re: [teacherartexchange] Glass marbles in the kiln

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ARTNSOUL12_at_TeacherArtExchange
Date: Tue May 24 2005 - 03:46:48 PDT


 
In a message dated 05/23/2005 10:58:54 PM Eastern Daylight Time,
whest177@wheatstate.com writes:

You don't actually fire the marbles in the clay - you drop one into your
glazed bowl. It melts in the kiln and leaves a puddle of colored glass on the
bottom of the bowl. The solid colored marbles are kind of gross, but the clear
ones are gorgeous. I did find that you need to glaze the entire bowl, and not
leave the inside bottom of the bowl without glaze, or there will be a
seperation of melted marble/glaze. I have been doing this for years and the kids
love it. I love the idea of the flat marbles - I have a ton of those! :-)

I found that we needed to cover the entire inside bottom of the bowl with
marbles in order to get a nice flat pool-like feeling in the finished piece.
Also, the kids discovered that putting a mixture of the clear (flat) marbles
with the colored ones gave a spectacular effect! The solid red ones turn a
gorgeous yellow-orange and swirl with clear when they melt. The flat marbles-
used in flower arrangements come in turquiose, irredescent, and a variety of
colors. You can get them at Michael's -5 lbs. on sale for $4.99, and it
covers a lot of bowls. As I said before, when the firing is finished, you needed
to wash and rinse each bowl to remove the "glass dust" residue that the
firing leaves.
 
To be perfectly honest, I haven't been doing this for years. Infact, I got
this idea from a presentation on glass in the ceramic kiln that I attended at
the National Conference in Boston this past year. It's the first time I tried
it.
 
What I thought of doing next is adding marble(s) in the eye sockets of
ceramic masks. I'm thinking that the kids will have to make the indentation of
the eyes wide and deep enough for the marble not to run over the clay in the
firing. By the way, for slumping glass the presenter suggested covering the
kiln shelves with a special paper designed like kiln wash.
Has anyone ever used marbles in clay masks? Marvin?
Susan on Long Island
 

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