仏教の七宝: 7つの貴金属と宝石, 金や銀も含めて, 色釉, 城塞, 瑪瑙, パール, アンバー, そしてサンゴ, 多くの仏教経典で七つの最も霊的な宝物として挙げられています。. 金と銀は歴史ある 最も古く、最も広く使用されている貴金属; colored glaze is a kind of bead or […]
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The first step in understanding jewelry is to understand the language of jewelry, which is the term for gems. When buying or appreciating beautiful jewelry, not only can you better understand the characteristics of gems, but also let you make the best choice when buying. When discussing gemstones, we usually separate diamonds from other gemstones. […]
光が宝石を透過する程度. 宝石に多くのインクルージョンが含まれている場合, ひび割れ, 傷, 等, 透明度が低くなります. 宝石の透明度は5種類に分けられます: 透明, 半透明, 半透明, 半透明, 不透明. 透明度と光透過率の違いは、宝石をどれだけの光が通過できるかにあります。. 透明 […]
Cleavage is a plane that can be cleaved along a specific direction in a mineral crystal called a cleavage plane. This cleavage plane is related to the atomic structure of the mineral crystal. It is usually the part where the gemstone atoms are weakly bonded. Called “切断”. Many solid gems must be split along the […]
The ratio of the weight of a gemstone of the same volume to the weight of water is called the specific gravity. Divide the weight of the gemstone in the air by the difference between the weight of the gemstone in the air and the weight of the gemstone in the water, and the value […]
Gemstone minerals often have a fixed, independent crystal form, and the crystal lattice pattern is determined by the physical properties of the mineral. Usually the crystal form of the gemstone will affect the way the gemstone is cut. The crystalline system of gemstones is divided into: Isometric, Tetragonal, Hexagonal, Trigonal, Orthorhombic, and Monoclinic. Monoclinic), Triclinic […]
According to research, emeralds were mined in Egypt on the west bank of the Red Sea more than 4,000 数年前. Cleopatra’s favorite gemstone is emeralds. She not only named an emerald mine in her own name. In the name of Cleepedro, he also rewarded the ministers with the fine emeralds produced there. Thanks to […]
Among the colored gemstones, golden emeralds are expensive gems with low output but very popular. The color of chrysoberyl ranges from yellow to yellow-green and yellowish brown. It is similar to the shape of golden beryl. Since the refractive index and hardness of chrysoberyl are higher than that of beryl, the luster after cutting is […]
Both alexandrite and opal alexandrite belong to the golden emeralds among the colored gems, and they are treasures among gems. で 1830, a color-changing gem was discovered in the Ural Mountains of Russia. This day happened to be the birthday of Emperor Kaiser Alexander II of Russia, so it was named Alexandrite after the Emperor […]
Pearls symbolize purity, tenderness, love and peace. It is said that pearls are the favorite of the goddess of the moon. In Western astrology, pearls are also the guardian stone representing the moon. In the history of ancient civilizations, pearls have a very lofty status and are one of the few gems that were regarded […]