Do you know red coral? Red coral is a polysemous word, so there are many different kinds of introductions about red coral. Today, Xiaobian mainly talks about the distribution of red corals.
Deep sea red corals are mainly distributed in three places: one is the sea area of ​​Taiwan, the southern island of Japan, including the Ryukyu Islands; the other major red coral producing areas are the Atlantic coast, mainly including southern Ireland, Biscay Bay, France, Canary, Spain. The archipelago, the Madeira Islands of Portugal; and the other is the Mediterranean coast, dominated by the southern Italian peninsula, Algeria and Tunisia. Algeria, Tunisia and the Spanish coast are the world's best quality red coral producing areas. Black and blue corals can come from the Mediterranean Sea, such as the Cameroonian coast. White corals are produced in the Xisha Islands and the Taiwan Sea in the South China Sea.
There are three coral producing areas in the world where corals are produced:
Mediterranean: There are productions in the Mediterranean coastal countries. Only coral species have little difference, and the color is also red. The water depth is below 10-20 meters. So many are caught by the diver. Its strain is not large, it is very rare to find a strain of one kilogram. Its diameter is mostly below 10mm, and it is rare when it exceeds 10mm. In addition to the intimate jewelry, there are few materials that can be engraved.
Midway Island Sea: Produced in the deep sea of ​​600~1000 meters, there are two different qualities. One is white coral, the red-pink coral is less; the other is mostly pink and more transparent. For a period of time, its output was quite large. The total output of a ship was about 3,000 to 5,000 kilograms, but the fishing operation period was more than half a year. It was very hard and costly. Its body diameter is less than 15mm, most of them are 4-7mm, and they are also materials for personal accessories.
Southeast Asia: Japan, Taiwan, and the Philippines have production in the waters around the sea. The water depth is about 200-300 meters. Its plant shape, texture, color and variety are the most precious and varied in the world. There are cow blood corals, peach corals, pink corals, and white corals.
The above three regions are all areas of volcanic activity in the world, including of course the volcanic activities in the nearby seabed. Every activity of the submarine volcano has a large amount of underground matter erupting to the ground or the sea floor. These substances contain a large amount of major elements such as iron, manganese and magnesium, which provide an extremely important material supply for the formation of red corals in seawater. The "nutrition" that corals need is derived from these volcanoes. In the process of calcification and compression, the coral bones absorb a large amount of iron, manganese, magnesium and other elements, and finally pass through the baptism of nature, forming a very valuable red coral that we have seen.
The formation of red corals takes a long time, so it is also very precious. Through the above introduction, we know that red coral is mainly distributed in coastal areas. Therefore, red coral jewelry is very valuable in the Mainland.
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