Mary Jane
  • Phoenix, AZ
  • United States

Mary Jane's Friends

  • martha peddicord
  • cheng su wen
  • Thomas
  • Jette Nielsen
  • Robert Seele
  • eleanor akowitz
  • George Lewter

Mary Jane's Page

Profile Information

What is your experience with ceramics in general. (Long answer encouraged)
novice, student
What is your current involvement with electric fired ceramics? (long answer encouraged)
I also attended a Steven Hill workshop. I fire an electric kiln at home and just started experimenting with that. Before that I used a community kiln at class - cone 10 reduction.
All our content is viewable by the public. Why do you want to be a member, when you can already see everything as a non-member?
information about firing Steven Hill type glazes at cone 6. Also information about vitrification issues that might come up firing to cone 7-9.
Where do you work on your ceramics projects?
School or college, community center
Do you have your own, or participate in other ceramics Websites:
How did you find this network?
search engine

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Comment Wall (7 comments)

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At 6:44am on August 13, 2018, Meredith Walker said…

Were you ever able to determine food safety of the Val turquoise glaze you asked about ? I'm searching for one and would like recommendations. I'd of course also check (lemon test) but a referral would help. Thanks!

At 5:27pm on April 1, 2011, George Lewter said…

Sorry about the looong delay in getting to your question.  I have Michael Bailey's Glazes Cone 6 and believe it to be a good addition to any glaze developers library.  It is a little heavier on theory. The materials tend to be more generic like "potash feldspar" instead of specifying a specific branded feldspar.  MC6G is a little more readable and likely more popular. 

In reply to:

At 7:42pm on December 29, 2010, Mary Jane said…
Hi George - I just ordered some of the spanish red oxide from US Pigment, along with other oxides.  Steven Hill mentioned the spanish red so i figure i will give it a go.  If I don't get good results, I will definitely try the high purity next.  He seemed to say to stay away from the others as it makes a big difference.  I was trying to compare the Bailey's orange red cone 6 to the Steven Hill Bailey's red.  Have you seen the book Bailey's cone 6 glazes?  I was thinking of getting it but then I read that a lot of the ingredients are different from what is available in the US.  Don't quite understand that comment but wondered if you had seen the book and if you found it helpful.  I have MC6G and recently bought the accompanying software, so i have plenty to chew on for now anyway.  Thanks again for your help/info.  Really appreciate this website.


At 3:16pm on December 29, 2010, George Lewter said…
To actually answer your question, I think there would be little or no difference in substituting the two kaolins for each other.  I happened to have both, so I didn't have to substitute. Going back to the Bailey orange red, I don't have the Steven Hill recipe to compare to the Ron Roy version you sent me.  US pigments has high purity red iron oxide in case you haven't found it elsewhere.  I'm going to buy some and test with all my iron red recipes that never turned out red with my three other red iron oxides.
At 2:07pm on December 24, 2010, Thomas said…

The plate was fired at ^8 in ox.

At 5:08am on December 24, 2010, Thomas said…
The glazes that I use are glazes I have been developing over the years. In collage I fired ^10 and I had to bring my glazes down to ^6 so they are still in development. There are three different glazes that I use, base is a Iron sat. then I use a Cobalt sat. with a Ash glazes. I had to change my clay body also and I am not getting the same results, not that they are bad but I now have to begin the process all over.
At 12:16pm on December 22, 2010, George Lewter said…
The four you liked were on Laguna #80 brown clay, my favorite non-white stoneware.  The blue is Light Stormy Blue (from Mastering Cone 6 Glazes) layered on top of C Harris Temoku. The other combo was C.H.T. partially layered over Rutile Matte  
At 9:27am on December 22, 2010, George Lewter said…
No I dropped out of clayart -- the volume of posts was more than I wanted to deal with. I'd like to see that recipe.


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