Tourmaline is very popular in the Chinese jewelry market. In addition to being extremely beautiful, tourmaline also has a lot of health care functions. Dans 1768, the Swedish scientist Linnes discovered that tourmaline has piezoelectricity and pyroelectricity, c'est, tourmaline generates an electrostatic magnetic field when heated or rubbed, and can adsorb lighter objects around […]
Archives par auteur Joyjy
1. Naming of synthetic gems The naming principle of synthetic gems: when naming synthetic gems, le mot “synthetic” should be added before the name of the gem. Par exemple, the correct name of synthetic ruby is “synthetic ruby”; the correct name of synthetic cubic zirconia is “zircone cubique synthétique”, and its English name “CZ” peut […]
Le principe de dénomination des pierres précieuses à effets optiques spéciaux: il existe de nombreux types d'effets optiques spéciaux, et les principaux qui doivent être notés lors de la dénomination sont “œil de chat” et “lumière des étoiles”. Lorsque vous nommez des pierres précieuses avec un effet œil de chat, le mot “œil de chat” devrait être ajouté après le nom de la gemme. Par exemple, a cat’s […]
1. Non-inlaid jewelry jade jewelry It can be named directly by the name of the jewelry and jade, or by the name of the jewelry and jade + the name of the jewelry, tel que: “Jade” or jade bracelet. 2. Jewelry composed of a variety of jewels and jade Various materials can be named one […]
Rubis, the mineral name is corundum, depends on the chromium content in it. Since crystals often appear double crystals, they are prone to cracks, and the increase in chromium content will increase the color of rubies. The rutile contained in it can produce silky appearance or arc-shaped visible starlight effect. Heating or radiation can remove […]
(1) Couleur. The ruby with the best color is called “Pigeon's Blood Red”, c'est, the color is as red as the blood of a pigeon, with a bright red color. Bien sûr, true pigeon blood rubies are very rare. Rubies are the best in category A (“sang de pigeon”), followed by category B (pigeon blood […]
Sapphire is a symbol of calmness and wisdom. Sapphire has a lofty status in European and American countries. En Europe, sapphire blue is known as “Royal Blue”. Aux États-Unis, sapphire is also designated as “national stone”. “The Duke of Windsor once gifted a sapphire ring to his beloved wife as a gift of […]
Rock Crystal, the mineral name is quartz, is a very old gem. Depuis des milliers d'années, crystal has been regarded as a symbol of unyielding, purity and kindness with its pure, transparent and hard texture. Legend has it that when the ancient Romans first obtained crystal in the Alps, they thought it was changed by […]
1. colour The colorless crystal is clean and translucent as the standard. The color of the colored crystal itself should be uniform, pure and gorgeous. Amethyst and topaz are the more valuable varieties of crystals. The further classification of the two is the darker the color (but not dark as the standard) The better. Dans […]
The geological conditions for the formation of jadeite are strict. Studies have shown that the high-quality jadeite wall rock is high-magnesium, high-calcium, low-iron and high-sodium rock in a high-pressure and low-temperature geological environment with a temperature of about 150-300℃. The jadeite produced in this environment is of good quality. Toutefois, the reality is not all […]