La relación entre el peso de una piedra preciosa del mismo volumen y el peso del agua se llama gravedad específica.. Divida el peso de la piedra preciosa en el aire por la diferencia entre el peso de la piedra preciosa en el aire y el peso de la piedra preciosa en el agua., and the value […]
Archivos de Categoría: Noticias de joyería
Los minerales de piedras preciosas suelen tener un valor fijo., forma cristalina independiente, y el patrón de la red cristalina está determinado por las propiedades físicas del mineral.. Por lo general, la forma del cristal de la piedra preciosa afectará la forma en que se corta la piedra preciosa.. El sistema cristalino de las piedras preciosas se divide en: isometrico, tetragonal, Hexagonal, trigonal, ortorrómbico, y monoclínica. monoclínica), triclínica […]
Según la investigación, Las esmeraldas se extrajeron en Egipto en la orilla occidental del Mar Rojo hace más de 4,000 hace años que. La piedra preciosa favorita de Cleopatra son las esmeraldas.. No sólo puso su propio nombre a una mina de esmeraldas. En nombre de Cleepedro, También recompensó a los ministros con las finas esmeraldas producidas allí.. 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. En 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 […]
Las perlas simbolizan la pureza, ternura, Amor y paz. Se dice que las perlas son las favoritas de la diosa de la luna. En la astrología occidental, Las perlas también son la piedra guardián que representa la luna. En la historia de las civilizaciones antiguas, pearls have a very lofty status and are one of the few gems that were regarded […]
Pearl appeared in human history quite early. People in ancient times believed that it had a powerful power, so it was given many mysterious legends and occupied a large area in jewelry. Ancient priests often put a pearl on their foreheads to enhance their spiritual power. These priests are usually the most powerful figures in […]
Pearl is the most valuable and most important kind of organic gemstones. It is formed by enveloping the pearl core with the pearl secreted by shellfish, so unlike other gemstones, which have crystal form and chemical composition, the main chemical composition of pearl is 90%. The above is calcium carbonate, the rest is water and […]
Although cultured pearls are artificially implanted into the nucleus, the results depend on biological phenomena. Even if the implanted nuclei are all round, they often appear in many different shapes under the nacre secreted by shellfish. It can be classified into the following types: redondo, off-round, pear-shape, circular shape, and baroque. En general, the round […]
All pearls produced in the South Pacific are called South Sea Pearls. In terms of appearance, South Sea Pearls are generally larger in size, acerca de 9 Para 20 cm in diameter, and their luster and skin brightness are better than the other two pearls. South Sea pearls can be divided into white South Sea beads, […]