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Mark C.

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About Mark C.

  • Rank
    Advanced Member
  • Birthday 03/15/1953

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  • Gender
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  • Location
    Near Arcata Ca-redwood rain forest
  • Interests
    Diving-underwater photo-salvage diving-dive Travel
    Extreme offshore tuna fishing off north coast of Ca.
  1. Dark vs Light Rutile

    I forgot to mention the ceramic grade is what I use as well.Thanks Min for that. Every batch is different so thats why I buy the large bag.
  2. Dark vs Light Rutile

    I have bought 50#s of rutile for 4 decades -the color of the product does not matter. You will find this also true with Cobalt Carb as its also comes in different shades
  3. Out west here 30 years ago a lot of clays used Kingman Feldspar before the mine closed down-then switched to Custer after that. (just keeping the record straight) I used just such a body then from the only filter pressed body then and now on the west coast Quyle kilns. They used Kingman for many decades after the mine shut as that like me bought a large supply. I still use Kingman in most glazes when a potash feldspar is called for.In 1982 I drove to Kingman and bought 30- 100 # bags. They now are a bear to move but back in the day many materials came in 100# bags.When I was buff they where light as a feather now they are a two man bag. Back then this feldspar came to Westwood clay company(now Laguna) in rail cars and freight costs where very low. http://www.quylekilns.com/about_us
  4. firing last bisque of year in electric kiln. Then the last gas car kiln load of year-its a clean up fire as well as a dinnerware set to be shipped next month.

  5. I'm making the assumption that Nep Sy is only used in cone 6 or lower bodies as a flux?-I was not aware its used in high temp clay bodies due to it melting point? I never have had experience in cone 6 porcelains
  6. When rehydrating clay you will find all stonewares do this very easy. Porcelains on the other hand do this very poorly and take forever.
  7. potters on Saipan?

    In my travels to Micronesia on 3 different trips in the 80's and 90's I never saw any local ceramics . The fuel is coconut husks or expensive electricity. Most of Micronesia is very poor. Saipan is one Island I did not set foot on. I had a friend who taught there once .Your chance of a drink container will most likely be made from palm trees. Saipan at one time had the dubious honer of the most consumed per capita of Budweiser in the world. Western culture dumped tobacco there is huge lots as well. Saipan is a very small place The diving in Micronesia is top notch.Take your mask and snorkel and some fins. Let us know if you fine any local ceramics
  8. PQotW: Week 38

    Late to the party this week 3 4 1 1
  9.  Last minute customer e-mails coming in now wanting pots shipped past my ship deadline

    1. Denice


      Do you go ahead and fill the orders?   Denice

    2. Mark C.

      Mark C.

      4 small mugs-yes as they are small enough for UPS not to kill right now.

      The two large bowls No, I told them I would ship on the 26th.

  10. Are these ^6 wadding?

    This is your best option for your baskets
  11. Unloading while super hot is just a bad idea.If your pots are burning wood surfaces they are to hot. About 44 years ago a teacher suggested that if I wanted to find out what pots do if you cool them down quickly try opening the door after turning off kiln. At that time I had in my backyard (before I bought my current place in 1973) so this was in 1972 ,I built a small catenary arch hard brick kiln at a rental I was in. I fired to cone 11 and then unblocked the door. I leaned that that thermal shock kills most clay bodies and does shorten the kiln furniture as well.. About 10 years later I found myself with a large 2x2 box fan blowing air over a hot load of pots that where about 800 degrees on my car kiln and I though I needed then NOW-the results where less drastic than the cone 11 to cool in 2 hours 10 years earlier. My point is unless you Really really need them let them cool until you can handle them-its better on the wares the furniture and the kiln.The pots are really the cheapest thing you are stressing-bricks and shelves have more value and replacement costs are high. Joseph-I to have burned my fair share of wood tables but I no longer do any of that. No need to if you work smart and plan ahead. I have mentioned learning the limits before and its good to know them so the above story is all about testing those limits-now you know what not to do as I have already done it. Just let it cool down enough to at least oven temps or better still hand holding temps so no gloves are needed for the pots
  12. Two days of glazing begins today

  13. I spent the last 4+ decades traveling selling ceramics-I still do some of that.It used to be 20,000 miles a year on my show vehicle. Now its less than 5,000. this past year. I have traveled more for diving/underwater photography than clay in my life but I always blend some ceramics into a trip-weather it was to a clay pottery village this past winter in Cambodia or bringing home a teacup from 150 feet deep from a shipwreck in Truk lagoon in the 80's(our Pearl Harbor for the Japanese in WWII) I did 3 dive trips trips to Truk now called chuuk in past 30 years.I tend to take ceramics as gifts when I travel and return with some as well. I brought a fire brick back from New Zealand via the Solomen Islands diving. Hand carried that brick across the pacific. I like to find ceramics underwater as well and figure out how old they are where they are from.Is more challenging than say a museum with labels. I tend to find and visit fellow professional potters like myself when traveling . Its usually all on the spur of the moment. Clay is only one of my passions and my interests are many so its not all consuming for me. I enjoy traveling without selling pots just as much and now maybe more. Clay has been my economic engine for so long its hard to separate it from me.I always liked museums full of pots or just as happy looking at shards from long ago in the desert-its all the same really. I plan on a trip to Taiwaian and seeing the cheese pots there at the huge museum. I have been lucky enough and successful enough to give back to the ceramic world some of what I have learned and traveling has been part of that process for me. I have volunteered later in life kiln building and teaching afar for free and thats been rewarding.Just reaching one person who gets the bug I got as a high school student would make this effort all the better for me.Thats already happened so its all gravy now. In terms of product -I started out making what I wanted to make and using glazes I liked. I learned that what I liked only a few like so I over time make what sold well. Now I make what sells well and use colors that sell well-its not what I would have done long ago. I love brown stoneware-the public likes that but they like brighter porcelain colors much more. I'm in this to be able to support myself well so I make what they want.Its a small price to pay to be paid to work everyday in my studio.Thats my product story.
  14. Glazes That Break

    You will find out straight away there is no accounting for taste.Believe me when I say this from experience You may have the ugliest pot you ever made in every way and someone will think its the best thing they ever saw. I know this to be a truth.
  15. Glazes That Break

    digital pyrometers are the cats meow.

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