Perbandingan berat batu permata yang volumenya sama dengan berat air disebut berat jenis. Bagilah berat batu permata di udara dengan selisih antara berat batu permata di udara dan berat batu permata di dalam air, and the value […]
Arsip Kategori: Berita perhiasan
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 […]
Menurut penelitian, emeralds were mined in Egypt on the west bank of the Red Sea more than 4,000 tahun yang lalu. 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 […]
Di antara batu permata berwarna, zamrud emas adalah permata mahal dengan keluaran rendah tetapi sangat populer. Warna chrysoberyl berkisar dari kuning hingga kuning-hijau dan coklat kekuningan. Bentuknya mirip dengan beryl emas. Karena indeks bias dan kekerasan chrysoberyl lebih tinggi dibandingkan 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. Di dalam 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 […]
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: bulat, off-round, pear-shape, circular shape, and baroque. Secara umum, 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, tentang 9 ke 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, […]