National Stone. If people mention national flowers, national trees, and national birds, people will not be surprised, and many countries have chosen their own national stones, I am afraid that little is known. The so-called country

　　National Stone. If people mention national flowers, national trees, and national birds, people will not be surprised, and many countries have chosen their own national stones, I am afraid that little is known. The so-called national stone is usually a gemstone that is loved by the people of a country, or has certain excellent characteristics and important value, or is unique in the production and processing of the country. According to statistics, nearly 40 countries around the world have chosen their national stones.

　　Both the United States and Greece use beautiful sapphire as their national stone; The United Kingdom, Namibia, the Netherlands and South Africa chose diamond, the king of gemstones with the hardest and most beautiful luster, as the national stone; Switzerland, Sweden, Japan and Uruguay have all chosen beautiful, crystals with high hardness as their national stones, and more than 20 countries have chosen the same gemstone as their national stones. Some countries choose unnatural gemstones as their national stones. The national stones of the former Yugoslavia, Algeria, Morocco and Italy are corals known as natural crafts; The national stones of India, the Philippines and France are dazzling pearls; The national stone of Germany and Romania is amber. There are also gemstones that have only been chosen as the national stone by one country, such as peridot in Egypt, precious opal in Austria, emerald in Spain, lapis lazuli in Chile, obsidian in Mexico, malachite in Madagascar, opal in Sri Lanka and jade in New Zealand. Along with the national flower, tree and national bird, the national stone has become a special symbol of these countries.