Přírodní organické drahé kameny jsou materiály, které jsou vytvářeny přírodními organismy a jsou částečně nebo zcela složeny z organických látek, které lze použít pro šperky a dekorace.. Přírodní organické drahé kameny jsou elegantní, teplý, a okouzlující. Běžné na trhu jsou perly, jantar, slonová kost, atd. I když kultivované perly (označované jako "Pearly") mít [...]
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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. Čtyři, discoloration effect The phenomenon that the color [...]
V širokém slova smyslu, natural gems include various colored gems, diamanty, nefrit, organic gems, atd. 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. Jméno "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, odolný, 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, odolný, vzácný, and have technological value, and can be processed into ornaments are collectively referred to as natural jewelry and jade. Including natural gems, Přírodní nefrity a přírodní organické drahokamy. 1. Natural gem stone Natural gemstones refer to single crystals (může obsahovat dvojité krystaly) of minerals that [...]
The name of natural jade directly uses the basic name of natural jade or its mineral (rock) jméno. Slovo "玉" can be appended to the name, bez slova "přírodní". Například: "Smaragd", "Hadovitý nefrit", which refers to natural "Nefrit" a "Hadovitý nefrit". Ale "přírodní sklo" is excluded. je třeba si uvědomit je: [...]
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 (barva, clarity or special optical effects), durability or usability of jewellery and jade are called optimization treatments. The optimization processing is divided into two categories: optimalizace a zpracování. Optimization [...]
Bohaté zdroje drahokamů na světě jsou soustředěny hlavně v Africe, Asie, Americe a Oceánii. 1. Africa The African continent is rich in gem resources and is known as the "World Gem Warehouse". It is rich in diamonds, rubíny, safíry, zlaté smaragdy, smaragdy, akvamarín, ametyst, peridot and turquoise, among which diamonds are the most [...]
Bohaté zdroje drahokamů na světě jsou soustředěny hlavně v Africe, Asie, Americe a Oceánii. 1. Asia Asia is one of the major gemstone producing areas in the world. Těžba drahokamů má dlouhou historii, mnoho odrůd, dobrá kvalita, a nejlepší na světě. Nejbohatší rubínové a safírové doly, the oldest and [...]