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cream breaking red and strontium carbonate..question for john h

updated thu 2 sep 04

 

Angela Davis on wed 1 sep 04

please.

Thanks John, and everyone else looking into this,
I got out the loupe and the specks look like grains not crystals,
one of the ingredients must be grainy. I will check the supply
at school tonight to determine which.
Guess I'll go easy on the screening when I want to duplicate them.

Angela Davis

On the Central West coast of Florida in prayer mode.

----- Original Message -----
From: "John Hesselberth"
To:
Sent: Tuesday, August 31, 2004 8:46 PM
Subject: Re: Cream Breaking Red and Strontium Carbonate..Question for John H
please.


> Hi Angela,
>
> Until I reread this and noticed you said they were pale on red clay I
> was thinking it was poorly dispersed RIO. Now I would have to say I
> haven't a clue. Maybe someone else does. You might examine them with a
> 10x magnifier and see if they look crystalline.
>
> My suspicion, though, is that it is something that is poorly dispersed
> and you will have trouble duplicating it.
>
> Regards,
>
> John
> On Tuesday, August 31, 2004, at 11:20 AM, Angela Davis wrote:
>
> > I have no idea what causes the specks , they are pale on the red clay
> > and
> > dark on the white,
> > and where they are covered with the Varigated Blue they collect the
> > oxide
> > and go really
> > dark. I like them and hope to be able to duplicate them in the next
> > batch
> > so it would be great
> > to find out what is going on here.
> John Hesselberth
> http://www.frogpondpottery.com
> http://www.masteringglazes.com
>