"Aristocratic bloodline" of knife-shaped black rosewood
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I. Wood properties and commercial value
Knife-shaped black Dalbergia is the earliest popular black rosewood species in China. It is produced in the virgin forests of the Indo-China Peninsula. The common trade names are Burmese black wood, black rosewood, knife-shaped rosewood, etc. It is "English sandalwood". In the past, imported knife-shaped black rosewood, which is common in the market, was mostly small-diameter logs. As Chinese companies go out of the country and go directly to the place to mine logs, a batch of high-grade logs are processed into neat saws and shipped back to China, and these high-quality knife-shaped black rosewood are produced in areas such as Mandalay in Myanmar.
It is understood that the high-quality raw materials of Knife-shaped Dalbergia are 20 cm to 60 cm in diameter and the length is between 2.2 m and 3.5 m. The wood heartwood is clearly distinguished, the sapwood is light, and the heartwood is yellowish brown, reddish brown to black purple brown. Using the axe to lick the end face and side of the original material, you will find that the wood color changes from yellow brown to black purple brown layer by layer.
After analysis by laboratory slicing, it was found that the knife-shaped black Dalbergia was a loose hole material to a semi-annular hole material, and two string tube holes or tube hole groups were partially visible. The axial thin-walled tissue is concentrically layered and visible under the naked eye; due to the development of axial thin-walled tissue, a distinct chicken-winged pattern is formed on the chord-cut surface, the wood ray intersects with the parenchyma, and the thin-walled tissue is distinct. It is wider than the ray. Under the magnifying glass, the wave marks are clearly visible, the texture is staggered, and the structure is fine and uniform. The air dry density is very large and the test piece sinks in water. The heartwood is rich in contents, and a large amount of oil oozes out when burned. The luster of the wood is good, the new cut surface has a distinct sour taste, and the polished surface has white spots visible.
The knife-shaped black rosewood has a dry density of 1.07g/cm3 and is very hard and delicate. It is suitable for engraving. From the middle and late Qing Dynasty of China, the knife-shaped black rosewood has always become the precious material of Chinese mahogany furniture. In addition to the use of high-grade furniture, knife-shaped black rosewood is also widely used in wood carving, these crafts are known worldwide for their reputation as "British sandalwood carvings". In addition, the xylophone made of knife-shaped black rosewood is very high in sound quality, and the performance is particularly good. In Southeast Asia, it is also the first choice for drums, kites, soundtracks, flutes and other musical instruments.
Second, tree species distribution and growth environment
Knife-shaped Dalbergia is distributed in the virgin forests of Myanmar, northeastern north-central Thailand, Laos, Cambodia, southern Vietnam, and southern Yunnan, southern Guangdong, and southwestern Guangxi. Because high-quality raw materials are used in large-scale felling, and trees grow into materials at least for hundreds of years, it is difficult to find high-quality raw materials on the market. At present, the raw materials of knife-shaped black Dalbergia in Yunnan, Guangdong, Guangxi and other places have been cut down, and all raw materials can only rely on imports.
In addition, the knife-like black rosewood has a very high requirement for the growing environment and it is decided that it cannot be extensively cultivated. Knife-shaped black Dalbergia generally grows in areas such as mountains and hills at an altitude of 300 to 2,000 meters. It prefers grassy forests and thorny forest belts with small canopy closures. Due to the need to absorb and excrete a large amount of water, the knife-shaped black rosewood is only suitable for growing shallow soil with an average annual temperature of 24-29 degrees Celsius, relative humidity of 65% to 75%, and good drainage.
It is precisely because of the extreme scarcity of high-quality raw materials that the countries of origin have strengthened the protection of the knife-shaped Dalbergia species. Governments such as Myanmar, Thailand, Laos, Cambodia, and Vietnam have introduced relevant laws and regulations, prohibiting the export and illegal smuggling of knife-shaped black and yellow sandalwood logs, and the export of semi-finished materials is also strictly restricted. At the same time, the countries of the Indo-China Peninsula have set up “natural heritage protection zones†for the razor-shaped Dalbergia species. The more famous ones are the Kanchanaburi Province of Thailand and the Taiyuan Conservation Area of ​​Tak Province and the Queen Sirikit Botanical Garden of Chiang Mai.
Third, Jiamu Guibi gold to create wealthy home
As a "panda" in the endangered plant, the knife-shaped black rosewood makes me think of an old saying: "There is no beauty in the heavens and the earth." The wood grain can show the ultimate beauty of peacocks, mountains and rivers, clouds and waves, and so on. The exquisite artistic wonders have an inspiring artistic charm. The beauty of nature is so great.
Xu Yongji, a professor of wood science and professor of Nanjing Linda, proposed in the article "Redwood Identification" that the position of rosewood in redwood is second only to red sandalwood. It is divided into red rosewood (specifically, Sian rosewood) and black rosewood. The knife-shaped black Dalbergia is classified as black rosewood and is considered to be a black rosewood in the traditional sense. In the old redwood culture of Shanghai, people use black material as “expensiveâ€, and knife-shaped black rosewood has this feature.
Because of the extreme honour and aristocratic attributes of knife-shaped black Dalbergia, we must be cautious when we create furniture and revival culture, and wholeheartedly use it as a cultural undertaking to try to reproduce the knife-shaped black rosewood furniture. The king's demeanor. Only by searching for the most beautiful raw materials, hiring the most outstanding craft masters, using many traditional techniques and unique skills, can we make the best luxury art for the elite group. For the production companies, they are not only making furniture, but also inheriting a culture and building an aristocratic lifestyle.
In the prosperous world, the return of the knife-shaped black Dalbergia king will definitely become a trend in the development of Chinese mahogany furniture.