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https://en.wikipedia.org/wiki/Yixing_ware
Also known as "Purple Clay Teapots"

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This clay is called 98BGP, it was mined in Southern Alberta in the 1990s (not for sale now). It is greenish in the wet state. Terracotta clays like this are widely available. Redart is a terracotta. This one is very smooth, but most have some grit. A potter willing to do a program of testing and record-keeping (with lots of pictures) and adapt technique to the material should be able to make this work. These fired test bars show that achieving the desired surface and density is a matter of firing temperature. The #9 bar is fired at cone 02 with 0% porosity, which is porcelain density and thus unsuitable. But the third one up is cone 03, it has 0.4% porosity. It just needs a surface enhancer to provide the sheen. Many terracotta clays have soluble salts that will ruin the appearance, but a surface enhancer will erase them.

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| Projects |
Yixing Teapots
Hao-Tong Yan, a Yixing teapot craftsmen, and I have been trying to understand the technical reasons for how this amazing craft is possible. It is a fascinating story that culminates in the possibility of making your own Yixing-like clay body. |
| URLs |
https://www.instagram.com/reel/DTkOIn5EqMv
Stunning video of Yixing teapot being meticulously handmade See how Yixing clay rolls, flattens, cuts, joins, etc. It has grit, lots of smoothing is needed. Spray bottle is used to rewet. The techniques and tools are timeless. |
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