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Glittery Cone 6 Formula


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#1 jpc

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Posted 10 March 2014 - 08:27 AM

Greetings! I was wondering if anyone knew of a cone 6 glaze that glitters like mica in stone? If not a formula a possible ingredient? I have tried mica in the past and vermiculite, although beautiful not sparkly.  Thanks in advance!

 



#2 PeterH

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Posted 10 March 2014 - 10:13 AM

jpc,

 

Maybe an aventurine glaze would meet your criteria?

http://tinyurl.com/qe59koq

http://www.qualicer....df/0062315e.pdf

 

... AFAIK they aren't that easy.

 

Regards, Peter



#3 jrgpots

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Posted 10 March 2014 - 12:01 PM

According to digifire database, iron pyrite can blossom at cone 6 reduction forming iron crystals. Using 20 mesh-size particles has been recommened to me. In oxidation it causes dark speckles.

I agree with Peter. Hematite or magnetite will glitter. BTW, the pdf article has great info. It even recommends 20% hematite and gives soaking time and temp for glitter (fine crytal) formation.

But, getting crystal formation is like getting a true red color....easy to say, very hard to do.

Jed

#4 jpc

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Posted 10 March 2014 - 01:01 PM

Thank you Peter and Jed!

Never a dull moment that's for sure.

jpc



#5 synj00

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Posted 11 March 2014 - 11:03 AM

I have some home dug "clay" I have been testing it is very glittery. You could probably find some from a local creek or riverbank and add it to your glaze and see what it does! I have mixed some with some white body raku clay and it turned into a sandstone texture and look. No glitter though but I havent tried it with glaze or slip yet.


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#6 jpc

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Posted 12 March 2014 - 08:12 AM

synj00 this sounds great. Let me know how it works out.  Peter H, I read the article and wow great info. The only draw back is I am not interested in a shiny surface. Actually I am trying to get as gritty a surface as possible, I am making "stones". Another series I am creating I have been experimenting with down-firing and creating crystals. It has been really interesting. I will experiment with the iron oxide. So much to learn!!! Thanks you for all of your information.

jpc






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