Sous l'action d'une force extérieure (comme battre, pressant, etc.), les cristaux de pierres précieuses peuvent régulièrement se fissurer dans une direction cristalline spécifique pour former un plan plus lisse. La propriété est appelée clivage. Ces surfaces fissurées sont appelées surfaces de clivage. La surface de clivage est liée à la structure atomique des cristaux minéraux, and is usually the weaker [...]
Archives par catégorie: NOUVELLES
Inclusions in gemology refer to three aspects: (1) The solid, liquid and gaseous substances inside the gemstone are called solid, liquid and gaseous substances. (2) The color zoning and distribution or growth pattern of gems. (3) Fractures, cleavage and cracks. The presence of inclusions often affects the quality of gemstones, but the regular arrangement of [...]
En plus de sa propre couleur et de son éclat, les gemmes ont également des affichages plus flexibles, comme l'effet œil de chat, effet clair de lune, etc., qui donnent aux pierres précieuses un manteau plus charmant, et en même temps, augmenter considérablement la valeur des pierres précieuses. 1. The cat's eye effect Under the irradiation of light, the surface of some gemstones cut [...]
Natural organic gemstones refer to materials that are generated by natural organisms and are partially or completely composed of organic substances that can be used for jewelry and decorations. Natural organic gemstones are elegant, chaud, and charming. Common ones in the market are pearl, ambre, ivoire, etc.. Although cultured pearls (dénommé "perles") avoir [...]
3. Color changing effect The color produced by the interference and diffraction of the special structure of the gemstone changes with the light source or the observation angle. This optical phenomenon is called the color change effect. Opal is a typical gemstone with a color changing effect. Quatre, discoloration effect The phenomenon that the color [...]
Au sens large, natural gems include various colored gems, diamants, jade, organic gems, etc.. Chivalrous natural gems refer to natural colored gems and diamonds. Their naming methods have clear international national standards to follow. 1. The naming of natural gems The naming principle of natural gemstones: when naming natural gemstones, they only need to [...]
Zircone cubique synthétique (Zircone cubique synthétique) abrégé en CZ, est apparu pour la première fois dans 1976, synthétisé artificiellement par l'ex-Union soviétique, donc il a un autre alias appelé "Diamant soviétique", maintenant connu sous le nom "Diamant russe". Parce que ce genre d'alias est trompeur, il ne peut pas être utilisé comme nom standard. Le nom "Diamant" est utilisé parce que c'est [...]
The narrow concept of jewellery and jade refers to those minerals or rocks that are produced in nature, are beautiful, durable, rare and can be polished and carved into jewelry or handicrafts, some of which are organic materials. Some people further limit the concept of jewellery and jade to natural single crystal minerals. Jewels and [...]
The materials produced by nature, which are beautiful, durable, rare, and have technological value, and can be processed into ornaments are collectively referred to as natural jewelry and jade. Including natural gems, jade naturel et pierres précieuses organiques naturelles. 1. Natural gem stone Natural gemstones refer to single crystals (peut contenir des cristaux doubles) of minerals that [...]
The name of natural jade directly uses the basic name of natural jade or its mineral (rocher) nom. Le mot "玉" can be appended to the name, sans le mot "naturel". Tel que: "Émeraude", "Jade serpentin", which refers to natural "Jade" et "Jade serpentin". Mais "natural glass" is excluded. il faut en être conscient: [...]