C569 Margin of Eye
Not only was Dong Shizhen puzzled, but the old master was also very puzzled. Playing stone gambling, in addition to luck, mainly relied on experience, such as the color of the skin, the shape of the ore, the material of the mountain, etc.
One of the sources of these experiences is the high chance of getting a piece of Jadeite Ore from a certain type of Jadeite Ore. In the future