The old sludge is the raw ore sludge after a certain aging time. Golden section, sesame section, these are all mixed mud. For example, sesame segments are made by adding purple mud particles to the green mud of this mountain.
The main purpose of mixing sand and mud is to highlight the texture of mud. Many players like it in recent years. The key is to see the effect of mixing and whether they like to see personal aesthetics.
Mud is generally divided into three series, purple mud, red mud and Benshan green mud. All the mud can not be separated from these three main mud. Clear cement belongs to purple mud, Zhu mud belongs to red mud, and the mud in Qinghe section of bottom trough is * * * raw ore.
Ancient copper mud is a kind of inferior mud. This mud won't have any effect. Generally only used for ornaments. Now good ornaments are not made of ancient copper mud.
Zisha Pot is a unique handmade clay handicraft in China. Its production began in Zhengde period of Ming Dynasty, and the raw material was purple mud, which was produced in Dingshu Town, Yixing, Jiangsu Province. The teapot is bullish in the auction market and is an "antique" with collection value. The works of famous artists are often hard to find. As the saying goes, "When it comes to human jewelry, Yixing Zisha is the most sought after." [ 1]?
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.
The raw material for firing teapot is mud, which can be divided into purple mud, green mud and red mud. Mud that can be used to fire teapot is generally buried under the rock, and the thickness of the mud layer ranges from tens of centimeters to one meter. According to the petrographic analysis of Shanghai Silicate Research Institute, the purple sand yellow mud belongs to the high-iron kaolin-Yingshi-mica type, with the highest iron content of 8.83%. The teapot is fired at high oxygen and high temperature, generally by flat fireworks contact, and the firing temperature is between1100-1200℃. The water absorption of the finished teapot is above 2%. The clay raw materials of teapot are purple mud, green mud and red mud, commonly known as "rich soil". Because it is produced in Yixing, Jiangsu, it is called Yixing Zisha.