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 [...]
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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 [...]
Synthetic Cubic Zirconia (Synthetic Cubic Zirconia) abbreviated as CZ, first appeared in 1976, artificially synthesized by the former Soviet Union, so it has another alias called "Soviet Diamond", now known as "Russian Diamond". Because this kind of alias is misleading, it cannot be used as a standard name. Le nom "Diamant" is used because its [...]
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: [...]
The gems that exude fascinating brilliance on the market are generally cut and polished. Except for cutting and polishing, all methods used to improve the appearance (couleur, clarity or special optical effects), durability or usability of jewellery and jade are called optimization treatments. The optimization processing is divided into two categories: optimization and processing. Optimization [...]
Les riches ressources en pierres précieuses du monde sont principalement concentrées en Afrique, Asie, Amérique et Océanie. 1. Africa The African continent is rich in gem resources and is known as the "Entrepôt mondial de pierres précieuses". Il est riche en diamants, rubis, saphirs, émeraudes dorées, émeraudes, bleu vert, améthyste, péridot et turquoise, among which diamonds are the most [...]
Les riches ressources en pierres précieuses du monde sont principalement concentrées en Afrique, Asie, Amérique et Océanie. 1. Asie L'Asie est l'une des principales régions productrices de pierres précieuses au monde.. L’exploitation des pierres précieuses a une longue histoire, de nombreuses variétés, bonne qualité, et le meilleur au monde. Les mines de rubis et de saphir les plus riches, le plus ancien et [...]