Snail Scott on sat 4 nov 00
U.S. pennies aren't copper anymore, but
zinc with a thin copper coating. Are
Canadian ones the same?
-Snail
At 08:17 PM 11/3/00 -0800, you wrote:
>Don't fire a penny either (1 cent coin)! It ate through the pot,
>through the shelf and dripped on the bricks at the bottom of the kiln.
>
>June from B.C.
>
>amy parker wrote:
>>
>> Jim - as always, "it depends" on the crystals. We have a bunch of poor
>> grade emeralds from NC that I fired in my "I'll fire anything once" days.
>> They turned a really sickly yellow - they were green but not terribly clear
>> before - and they fractured. Amethyst lost all of its color - also
>> fractured. Your student should test with some inexpensive samples and see
>> what happens.
>>
>> Do NOT fire copper chunks!!!! They flux like crazy - ate thru the test cup
>> and half way thru the kiln shelf!
>>
>> Amy
>>
>> At 02:56 AM 11/3/00 GMT, you wrote:
>> >Hi all, Has anyone ever fired a crystal with clay? A student of mine wants
>> >to put crystals in/on his bowls and fire them. I've never thought about
>> >firing a crystal before. We fire to cone 6 in an electric kiln. Any
thoughts
>> >on what might happen? Jim
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>> >
>> Amy Parker
>> Lithonia, GA
>>
>>
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>___________________________________________________________________________
___
>Send postings to clayart@lsv.ceramics.org
>
>You may look at the archives for the list or change your subscription
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>Moderator of the list is Mel Jacobson who may be reached at
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