Water polishing tin-coat are rmendedSize: 17 cm long, 11 cm wide, 12 cm highBriefly according to the data of the recorded history, there is a kind of special decoration processing method, namely between Siam (now Thailand) custom purple sand tea pot, we call it "polished"."Car polishing" also known as the "light", is one of the violet arenaceous the finished surface processing methods.Purple treated by polishing the luster of the surface to form a layer of glass phase.Grinding and polishing is thefor thousands of years of the technique, it has, but not seen in purple.The reason is that americans for violet arenaceous, more like the plain one heart, and the feel of the bubble after raising a jade.