Bodies – Clay That Is…

Clay stacked in the damp room of the Colorado Potters Guild

A small sampling of clay stacked in the damp room of the Colorado Potters Guild

Last Monday, I had a decision to make and let’s just say that decisions are not made lightly by me and I had to call in back up.  I had no clay – well, actually I have a lot of clay, but most of it needs to be reconstituted/reconditioned/recycled/whatever after over wintering in my garagio.  What’s a girl to to do?  I called in a life line…only she wasn’t in when I made the desperate call.  So I marched back to the damp room of the Colorado Potters Guild, pulled up my big girl panties and confidently pulled out a 25# bag of P60 (^10 porcelain) determined that I was going to throw me some porcelain just like old times.

Handbuilt Platter by Kathleen Laurie

Handbuilt Platter by Kathleen Laurie

Luckily while I was dinking around the guild, looking for my shelves and gathering tools, my girlfriend, Kathleen called me back and talked me off the ledge. I hadn’t yet opened the P60 and calmly returned the bag to the damp room and replaced it with a bag of Dover (^10 white stoneware) after Kathleen kindly relayed how forgiving Dover clay is in contrast to the P60 – clearly she was trying to spare me from failure & a hurt ego after tenderly reaching out to the medium again. BTW, both the P60 and Dover clays are manufactured by Mile Hi Ceramics in Denver and Dover’s price tag is a bit friendlier too which is always a happy thing.

I should back track and explain my clay conundrum by telling you that I have mostly worked with ^6 clays and historically have fired my work in my own studio in previous years. So, choosing a new clay body with a different firing temperature is a bit daunting.  I have to say that I really like Dover – it’s smooth, but not quite like porcelain. There’s still a bit of grog, but barely noticeable and the clay seems to hold up against abuse very well. I’m still practicing throwing and when I head into the guild tomorrow I’m going to try hand building again – my favorite pastime.

If choosing a clay body is difficult, wait till I get around to glazing…the choices at the guild are fantastic and I’ll be like a kid in a candy shop, paralyzed by the endless combinations of available delicacies.

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12 comments

  • When I was working with cone 10, I really loved Laguna’s Windsor Porcelain, great for handbuilding and for throwing (I did do some) but my classmates loved it for throwing too. For stoneware I like b-mix and Soldate 60 and then Black Mountain, well you know how I am about the dark clay bodies. You are so lucky to have a such a well equipped guild so close, I really miss high fire and reduction glazes. I still have my glazes, hoping to find a place around here to get a few items fired. Have a wonderful time.

    • One of my guild mates suggested BizBod – a ^10 paper clay. I might give this a try for more intricate work. I haven’t worked much with ^10 so it’s a whole new animal for me. We have a # of darker clay bodies that I might try since I don’t have to worry about contaminating my studio. The guild has wedging, plaster surfaces and canvas for all the different color clay bodies so it all stays nice and clean.

  • Just out of interest, what made you decide to go for a ^10? I know stoneware is more durable than earthenware, but what are the advantages of using such a high fire clay?

    Clay bodies are a bit of a headache for me too – I originally bought myself some stoneware because my first tutor always fired to 1220c, but he wouldn’t let me use my own glazes, so I switched classes, and the new tutor only fired to 1020c, so then I had the wrong clay body for the glazes I was using, so then I bought earthenware clay, and now those classes are cancelled!! I think I would like to go back to stoneware, but all my glazes are low fire now!

    • The reduction kiln & vapor kiln are a couple of the reasons I wanted to become a member of the guild since I don’t have the capacity to do so in my home studio. We do a lot of group firings and almost everyone does ^10. We have a couple of electric kilns that mainly get used for bisque firing. I suppose I could do some ^6 work, but…I dunno. We do have about 10 ^6 glazes at the guild, but about 30+ ^10 ones and the ability to make custom glazes.
      Durability is the main consideration for me for using a higher temp clay – especially for functional ware. I did use white earthenware for my kid’s classes that I taught in the past – mainly because it’s less expensive to buy and to fire. I suppose personal preference would be my final answer.

  • Choosing a new clay freaks me out so much that I’ve never done it despite many intentions to the contrary. I’m still using the same clay that the potter I rented my first studio space from used. I had to use the same clay as her if I wanted to use her tools, so I’ve never chosen a new clay!

    • Eleanor – I still use a ^6 porcelain that my ceramic’s mentor and former instructor had me use. If it’s not broken, why fix it – right? ;D I’m forcing myself to find a ^10 clay I like since I’m working at the guild right now where they only really glaze fire in reduction.

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