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Yi xing clay, pruple clay, purple sand, zisha clay teapot effect

18 Jul
Yixing clay (Purple clay, purple sand, zisha clay)’s unique properties make it ideal for brewing tea. The quality most immediately apparent is the attractive color of purple clay. This color, sometimes augmented by natural pigments, is never hidden on YiXing teapots by glazes. Similarly, the inside of YiXing teapots are always left uncoated. The porous nature of purple clay absorbs the flavor, smell, and color of the tea that is brewed in it.
Over time, YiXing teapots develop a seasoning from repeated use, making the tea brewed from a well used teapot a special treat. For this reason, most people will dedicate a single flavor of tea to a specific YiXing teapot, so that the seasoning is not disrupted by cross-brewing.

Introduction of zhu ni clay yi xing teapot

18 Jul
Zhu ni clay was first produced in Zhao Zhuang( a village in south ding shu town of yixing city). In history, it is called “Shi huang ni clay”.
The ore mine is located in the bottom of other yixing clay, with high iron oxide, hard like stone.
The shape of zhu ni clay ores is trival, need to collect by human. It’s hard to make pots only by pure zhu ni clay, used to be yixing teapot’s decorate clay.
In history, zhu ni teapot is made by 80% xi shan(shan means “hill” in yixing) delicate clay ( also located in Zhao Zhuang), and 20% Dong Shan jia ni clay, using sand filtration by water (old clay making method). Because of Zhu ni is not so much fire-resistant, so  Dong shan jia ni is added to, this kind of clay don’t change zhu ni clay’s clor, but improve the fire-resistant of zhu ni clay. The real zhu ni clay is in the core of Xi Shan delicate clay, break it will get the pure zhu ni clay.
Zhu ni ore mine is not only find in Zhao Zhuang, it also located in: Huang long shan, Qing long shan, Xiang ya shan, Lan shan, Xiao me yao, Wu shan lao yan kou, xiang shan, etc.
There is a mistake about zhu ni clay, many people believe “wrinkle” style zhu ni teapot is the best, that’s not true, in fact zhu ni teapot also can be smooth, rough, drape or fine. “Wrinkle” or “drape” style seems special compared to other yixing clay teapot surface. but we can’t  evaluate the quality of zhu ni just by the surface.
Zhu ni also has many colors, no all zhu ni clay teapot are red, in fact it has red, purple, black, yellow and green, so many color, just like the flower.
The difference of zhu ni clay influenced by: lode position, stale time, blend method and ratio, make method, firing temperature.
Has so many different characters, so zhu ni is indeed some yixing teapot collector’s favorite.
Huang long shan er huang zhu ni clay – 36mesh – 1135
Huang long shan zhu ni clay – 40mesh – 1170
Xiao mei yao kiln zhu ni clay – 50 mesh – 1140
Huang long shan zhu ni clay – 60mesh – 1150
Hong wei zhu ni – 50 mesh – 1135
Xiao mei yao zhu ni clay – 60 mesh – 1140
Zhao zhuang golden zhu ni clay – 60 mesh – 1125
Zhao zhuang er huang zhu ni clay
Xiao mei yao kiln er huang zhu ni clay – 40 mesh -1125
Xiao mei yao kiln shi huang zhu ni clay – 60mesh – 1125

yixing clay teapot color

18 Jul
color of yixing clay teapot
Image above just as a reference, every realistic color of yixing clay teapot may very different with the picture shows above.
Sample of yixing clay mineral
Above is the sample of yixing clay mineral
Yixing clay (zisha clay or purple sand) also called “five color mud” in the past in china, in fact the “five” just means many, there are so many color of yi xing clay, most of western feel curious about it.
That’s really a complex problem to recognize the right clay even for the skilled yixing local teapotcrafter, because it need many years experience in dealing with the yixing clay. Clay exploit and production are definitely another field with make teapot, it envolves many process and aspect.
I think as an ordinary buyer, you don’t need to distinguish every detail of yixing clay, what you really need is to have a general impression about the yixing clay.
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