With the increase of tree age, Phoebe bournei will gradually grow gold threads, and there will be more gold threads in the sunny part of the tree where the oil is richer. Generally speaking, however, most nanmu trees can see gold wires more or less under sunlight or strong light. At present, the old materials of nanmu are very scarce. Usually, in the producing areas of nanmu, such as Sichuan, Guizhou, Hunan and other places, only the demolition materials of local farmers can be seen. Now the relationship between Jin Sinan and Zhennan in the market is very complicated. In fact, to put it simply, Zhen and Golden Thread Nan Mu are Jin Sinan.
Wood has fragrance, straight texture, fine structure and is not easy to deform and crack. It is an excellent wood for buildings and high-grade furniture. Historically, nanmu was specially used for the buildings and furniture of royal palaces and a few temples. There are obviously more crystals in Jin Sinan wood than ordinary nanmu, and the surface of the wood shines in the sun, with gold thread emerging and elegant fragrance. Jin Sinan is the general name of Phoebe bournei (including Phoebe bournei, Phoebe bournei, Phoebe bournei and Phoebe bournei). ) with gold thread in some materials. Jin Sinan in a broad sense refers to Nanmu, which is called Jin Sinan. In ancient and modern times, Jin Sinan was another name for purple nanmu.