Mike Martino on sun 10 oct 04
Actually just singular secret, unfortunately. So were going through the
slideshow the 2nd day of the workshop and a really nice red shino bowl comes
up. Matsuzaki explains how he paints a coat of yellow ochre under the shino
feldspar coat so that the red will come through stronger in those areas. It
was obvious on the piece, a very thick, heavy section of glaze bordered with
a strong red where it thinned at its edges. However there was also this
light red blush across the thickest applied area of shino feldspar, and no
way the red migrated that far from the yellow ochre to the surface of the
glazes thickest sections.
So I asked him where that color came from, since it was obviously iron, but
no way it came from his iron source. He smiled and said "that's an extremely
good question." (what is the sound of one hand patting) As it turns out, he
saggars his shinos and paints a section of the saggar with yellow ochre,
places the bowl quite close to that surface, and viola! a pink blush on the
shino.
I also asked him a specific question about the development of crystals in
his yohen oribe, but he said he didn't want to talk about that glaze just
yet, since he's the only one making it at this time. (can't say I blame him)
The workshop with Matsuzaki san was great. Furuki san's Inn is a fantastic
place to stay, and his workshop area is super too. If anyone ever has a
chance to use his facilities or attend a workshop there, I would highly
recommend it. The most interesting feature to the workshop area was the
general use recycled clay, sitting in 2 huge lumps (about 4 feet tall each)
out in the open all the time. Each had a cut wire tool perched on top, so
anyone could walk by any time and cut off a chunk of the necessary size.
For pics of Matsuzaki san's discard pile, go to
www.potteryofjapan.com/mashiko2004oct/matsuzaki.htm Matsuzaki mentioned
only 2 layers of decoration (glaze, pigment, etc..) in the workshop, but
from his shard pile I saw many pieces with at least 3 visible glaze layers.
The link above also has pictures of the first day of the workshop with
Matsuzaki coil building a Henko, Shimaoko Tatsuzo's workshop, and
Matsuzaki's kiln and showroom.
I got a bag of 'shino' feldspar from Furuki san. The propane guys are coming
next week to get my bank of tanks put in with the regulator. After that,
it's gonna be testing galore!
Mike
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
mike martino
in taku, japan
muchimi@potteryofjapan.com
www.potteryofjapan.com
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-----Original Message-----
From: Clayart [mailto:CLAYART@LSV.CERAMICS.ORG]On Behalf Of clennell
Sent: Thursday, October 28, 2004 2:19 PM
To: CLAYART@LSV.CERAMICS.ORG
Subject: Spill the beans- Lee
Lee wrote:
> (Hey Tony, Mike in Taku told me some "secrets" to Matsuzaki's
> shinos!) Furuki-san also clued Mike into some new Shino feldspars
Ok Lee spill the beans. Let's have the secret!
Thanks,
Tc
Tony and Sheila Clennell
Sour Cherry Pottery
4545 King Street
Beamsville, Ontario
CANADA L0R 1B1
http://www.sourcherrypottery.com
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Hank Murrow on fri 29 oct 04
On Oct 10, 2004, at 7:06 AM, Mike Martino wrote:
>
> So I asked Matsuzaki-san where that blush color came from, since it
> was obviously iron, but
> no way it came from his iron source. He smiled and said "that's an
> extremely
> good question." (what is the sound of one hand patting) As it turns
> out, he
> saggars his shinos and paints a section of the saggar with yellow
> ochre,
> places the bowl quite close to that surface, and viola! a pink blush
> on the
> shino.
And he saggars his shinos because the slightest ashfall on the shino
will 'bleach' the firecolor.
Take any nice reddish shino and trail some celadon across
it..........it will have white trails there after the fire.
I will have pics of this on my site as soon as I can figure out
"DreamWeaver", and take over the job of web master from my brother.
Cheers, Hank
www.murrow.biz/hank
Ivor and Olive Lewis on sun 31 oct 04
Dear Mike Martino,
I think your description provides two wonderful examples of practical
research, both of them empirical but based on knowledge of ceramic raw
material chemistry.
<that the red will come through stronger in those areas>>
<ochre, places the bowl quite close to that surface, and viola! a pink
blush on the Shin.>>
Thank you for sharing your insights.
Best regards,
Ivor Lewis.
Redhill,
S. Australia.
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