What are the classifications of mahogany? What are their characteristics?

1. rosewood: commonly known as lobular rosewood, it is the best kind of mahogany. The wood is porous, and the new section of its heartwood is orange-red, but it turns purple or nearly black after a long time; The structure is fine to fine, the wood is hard, the hand feels heavy, and it sinks in the water; The annual rings are textured, and the wave marks are visible or not obvious; Fine texture, irregular crab claw pattern; There is no or very weak aroma, and rosewood is divided into old rosewood and new rosewood: the old rosewood is purple-black, and it does not fade when immersed in water; The new rosewood is reddish brown, deep red or deep purple, and will fade when soaked in water.

2. Rosewood: commonly known as rosewood, also known as rosewood, the wood is loose to semi-circular pores; Heartwood is reddish brown to purple, often with black stripes and rainy texture; Its wood is hard and light, and most of it can float in water; Shaped like a wooden rib, the structure is extremely fine to fine, the color is soft, and the wave marks are visible or not obvious; Aroma or light; The water leaching solution of wood shavings has fluorescence phenomenon; Pterocarya species; Mainly produced in tropical areas of the world such as Myanmar, Thailand and Laos.

3. Fragrant wood: commonly known as Huanghua pear, the wood is loose to semi-circular hole material, and the heartwood is reddish brown or purplish red brown, often with black and dark stripes; Strong aroma and delicate wood structure; Very heavy; Wave marks are visible;

4. Black rosewood: the wood is porous, and the heartwood is black chestnut brown, often with black stripes; The wood structure is fine to very fine; When logs are sawn off or dry wood is wet, it is slightly sour and heavy, and most of it is immersed in water; Wave marks are visible or not obvious; Sour or very light; Dalbergia species; Produced in the tropics.

5. Rosewood: wood porous material; Heartwood is mainly reddish brown or purplish red brown; The wood structure is fine to very fine; Very heavy, mostly submerged in water; Stripe patterns are often formed when the textures are staggered in the radial section; Dalbergia species; When the log is sawn off or the dry wood is wet, it is slightly sour; Mainly produced in Southeast Asia, South America and Central America.