The Chinese scientific name of Huang Huali (pear) is Dalbergia odorifera, also known as Dalbergia hainanensis and Dalbergia hainanensis. Origin China Hainan Island Diaoluoshan Jianfengling low-altitude plains and hilly areas, mostly growing in the sunny place of Diaoluoshan at an altitude of 100 meters. Because of its slow timber, solid wood and beautiful patterns, it has always been one of the five famous trees and is now a national second-class protected plant. According to the Records of China Trees, the wild Huang Huali of Hainan is produced in all cities and counties of Hainan Island except Wanning, Lingshui and Wuzhishan, among which Baisha, Dongfang, Changjiang, Ledong, Sanya and Haikou are the main producing areas. They generally grow on slopes below 350 meters above sea level. The precious Hainan Huang Huali mainly grows in the Li nationality area, especially in the Wang Xia area of the Yangtze River.

In fact, the identification of sea yellow has always been a misunderstanding. We can't generalize. Accurately speaking, most of the sea yellow does not sink, and only a few old materials sink.

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Whether Huang Huali in Hainan is submerged is not an important criterion to test the authenticity of Huang Huali in Hainan! !

Friends may be used to the identification standard of lobular rosewood, thinking that wanwenmu can sink. The lobular rosewood, whether new or old, is bound to sink, because its density is greater than water; However, the sea yellow is not like this. Most sea yellow can't sink into the water!

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Compared with ebony, the proportion of sea yellow is lighter, lighter than rosewood, and it is semi-submerged in water. Only a few old avocados with long trees can sink to the bottom of the water, because the old avocados are heavy in oil and fat, and the trees are delicate in texture and have a higher specific gravity than water. But not all avocados sink.

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Whether the sea yellow sinks or not depends mainly on the place of origin. Huanghuali, commonly known as Huanghuali in the western part of Hainan, produced in the Nanhua River Valley of Hainan, has high oil content, high core density and generally higher specific gravity than water. This material is usually submerged; However, the oil content in Huang Huali, Hainan, which is produced in Nandujiang River Basin, is generally medium, and the oil content of dark wood is often higher than that of light wood. The specific gravity of this kind of wood is mostly less than or equal to water, so it is unsinkable or semi-floating when put into water.

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