According to the characteristics and uses of crystals, it can be divided into four categories: (1) Piezoelectric crystal: Some of the crystals have a very interesting piezoelectric effect, c'est, the greater the pressure (or pulling force) applied to the slices of the piezoelectric crystal, the more electric charges are generated. Its characteristics make it […]
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Fluorite is a mineral composed of calcium fluoride (CaF2), également connu sous le nom “fluorite”, which contains many impurities. The crystals are mostly cubes or octahedrons, and the aggregates are clusters or blocks. The pure ones are transparent and colorless, and the ones with impurities are often green, bleu, violet, rose red and other colors. Appears glass […]
“Yemingzhu” mainly refers to minerals and rocks with “phosphorescence” (c'est, the phenomenon that still glows after turning off the light source). Only the “fluorescence phenomenon” can not be called Ye Mingzhu. Yemingzhu has ancient names such as “Yeguangbi” et “Mingyuezhu”. During the Spring and Autumn Period and the Warring States Period, there were night […]
The most important amber producing area in the world is on the southern shore of the Baltic Sea in northwestern Poland. The scope of the mining area is large, and the amber ore bodies are mostly vein-like and massive. The upper and lower surrounding rocks are loose, which is convenient for mining and has a […]
Coral is an organic gem. But only special varieties with beautiful colors are valuable. The chemical composition of coral is calcium carbonate. There are many colors, the most common is white. Flesh red, deep red and light rose colors are more precious. Corals are mostly dendritic, with concentric layers of pattern structure and center points […]
In the gem classification, tortoiseshell is included in the category of organic gems. As an organic gem, it refers to the upper shell or carapace of the hawksbill turtle. Hawksbill turtle is a kind of sea turtle that inhabits tropical and subtropical waters, and its body weight is often between 50-100kg. The tortoise shells of […]
En général, after a salesperson displays the goods, consumers will have a good impression of the intrinsic quality of the jewelry and the craftsmanship of the jewelry, and will generate a desire to buy. Cependant, sometimes due to the different combinations of consumers’ purchasing motives, they can also cause psychological conflicts and inhibit the further […]
Dushan jade is named after Dushan, about 8km northeast of Nanyang City, Province du Henan, et est également appelé “Nanyang Jade”. It is a kind of zoisite plagioclase, belonging to multi-color jade, referred to as “du jade”. Duyu has bright colors, complete patterns, both shades, fine texture, dense and hard, Dureté mohs 6-6.5, glass luster or […]
Jade is the eternal theme of Chinese jewellery culture, and has been loved by Chinese people since ancient times. The so-called gentleman is like jade, therefore, wearing jewelry made of jade has become a symbol of identity and status. The research and excavation of jade also keep pace with the times and keep innovating. Among […]
Turquoise s'appelle turquoise, qui est une sorte de jade avec une couleur bleue unique. Son nom anglais est turquoise, qui signifie “Pierre turquoise” ou “Jade turquoise”. La Turquie ne produit pas de turquoise. Selon les informations, Parce que la turquoise produite dans la Perse ancienne a été transportée en Europe par la Turquie, it was mistakenly thought to be […]