The raw material is purple sand, which is produced in Dingshu Town, Yixing, Jiangsu Province, also known as Yixing Zisha Pot. It is said that the founder of teapot is Gong Chun of Ming Dynasty in China. Due to the perfect combination of artistry and practicality, the teapot is so precious and memorable. The benefits of making tea in teapot and the culture of drinking tea blindly add to the noble and elegant charm of purple sand.
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material characteristics
The raw materials used in purple sand Tokisho, including purple mud, green mud and red mud, are collectively called purple sand mud. Purple mud is an interlayer of nail mud seam. The ore body is thin and lenticular, and the thickness of the ore bed is generally about tens of centimeters to one meter, so the stability is poor. The appearance color of raw materials is purple and purplish red with light green spots, and the appearance color after firing is purple, purplish brown and purplish black.
The main component of purple mud is hydromica, which contains different amounts of kaolin, quartz, mica and iron. Comprehensive analysis shows that purple sand mud belongs to granular soil-timely mica system, which is quite similar to the characteristics of porcelain raw materials, so a single raw material has ideal plasticity and high strength.
The drying shrinkage is small, which provides good technological conditions for various shapes. Green mud is the grease in purple sand mud, so it is called "mud in mud" (Tuanshan mud is a mixture of purple mud and green mud).
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