Red agate walnut is a Wenwan walnut variety. According to relevant public information, the Ruby Lion Head was first called Longding Lion Head. The old tree was found on the top of Huanglong Valley in Chengde. At that time, in order to remember the place of origin, it was named Longding Lion Head, which means the lion on the top of Huanglong Valley. head. Because the walnuts of this variety are crystal clear and the color is very beautiful after being played with, they are now also named ruby ??and onyx. Features: fine lines, wide edges, flat bottom, small navel, heavy weight. The shapes of the ruby ??lion head and the dense-grained lion head are very similar. The biggest difference is in the bottom. The dense-grained bottom is a bit concave and has a larger valve. Ruby has a very flat base and smaller valves.