Oil Drop Series cup

The characteristic of oil-drop Jianzhan is that its glaze is dotted with large and small dots with silver metallic luster. The large dots are several millimeters in diameter, and the small dots are as small as a needle. Some are oval, interlaced and distributed in an orderly manner. Some of these precipitated crystals are silver, some are silver-blue, and some are golden brown. The firing difficulty of each color is different. It is generally believed that silver oil drops are better, and if the silver is blue, it is even better.