Under the action of external force (such as beating, squeezing, etc.), gem crystals can regularly crack along a specific crystal direction to form a smoother plane. The property is called cleavage. These cracked surfaces are called cleavage surfaces. The cleavage surface is related to the atomic structure of mineral crystals, and is usually the weaker [...]
Category Archives: Jewelry News
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 [...]
In addition to its own color and luster, gems also have more flexible displays, such as cat-eye effect, moonlight effect, etc., which give gems a more charming coat, and at the same time, greatly increase the value of gems. 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, warm, and charming. Common ones in the market are pearl, amber, ivory, etc. Although cultured pearls (referred to as "pearls") have [...]
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. Four, discoloration effect The phenomenon that the color [...]
In a broad sense, natural gems include various colored gems, diamonds, 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. The name "Diamond" 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, scarce, and have technological value, and can be processed into ornaments are collectively referred to as natural jewelry and jade. Including natural gems, natural jade and natural organic gems. 1. Natural gem stone Natural gemstones refer to single crystals (may contain double crystals) of minerals that [...]
The name of natural jade directly uses the basic name of natural jade or its mineral (rock) name. The word "玉" can be appended to the name, without the word "natural". Such as: "Emerald", "Serpentine jade", which refers to natural "Jade" and "Serpentine jade". But "natural glass" is excluded. have to be aware of is: [...]