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1982年我国发行了建国以来唯一一套共4枚的矿物邮票,邮票被誉为国家名片,这套“国家名片”上的4种矿物是:辰砂、雌黄、辉锑矿、黑钨矿。它们储量居世界首位或前茅。且品质高,易于采选冶炼,具有重要的国民经济意义。作为观赏石,这4种矿物的良好晶体也是享誉世界、久负盛名的。辰砂晶体,以鲜艳的朱红色、独特的矛状晶形和拥有矿物的最高折射率(3.25)而成为晶体观赏石珍品。我国湘黔汞矿带产出的辰砂晶体一直被公认为是最优
In 1982, China issued the only set of four mineral stamps since the founding of the People’s Republic of China. The stamps are honored as national business cards. The four kinds of minerals on this set of “national business cards” are: cinnabar, equatorial fossil, stibnite, black tungsten mine. Their reserves rank the highest or highest in the world. And high quality, easy mining smelting, has important national economic significance. As a ornamental stone, these four kinds of minerals are also well-known crystal world renowned. Cinnabar crystals, with bright vermilion, a unique spear crystal shape and have the highest refractive index of minerals (3.25) and become crystal ornamental stone treasures. The cinnabar crystals produced in the Hunan-Guizhou-Guizhou mercury ore belt have long been recognized as the best