The so-called water head is a term used by the Chinese to evaluate the transparency of jadeite. Shuitou is a traditional Chinese folk name, and there is another name-kind, which actually means transparency. Comme une pierre précieuse, transparency is of course the more transparent the better. There is also a saying in the industry: the layman […]
Archives par catégorie: NOUVELLES
The clarity of jadeite is not the same as the clarity of gemstones, the main focus is on fissures. Emerald is famous for its multiple cracks. Comme on dit, “ten treasures and nine cracks” means that almost all jadeites are cracked, but the degree is different. Bien sûr, we all like jade without cracks, […]
1. Divided by output geological environment Aberdeen jade: Il est formé à partir des dépôts minéraux de néphrite d'origine transportés par l'altération vers la rivière. En général, c'est des cailloux, avec une surface lisse, bonne rondeur, et une couche de peau à l'extérieur, avec une petite blocage. Jade de montagne: Un minerai primaire produit sur la montagne, it is characterized […]
Serpentin, whose mineral name is serpentine, is a cryptocrystalline aggregate composed of serpentine minerals, fine-grained leaf-like or fibrous aggregates. Serpentine is a kind of hydrous magnesia silicate mineral with layered structure, which is the product of ultrabasic rock and magnesia carbonate rock undergoing hydrothermal alteration and metamorphism. Jade serpentin, also known as serpentine, est un […]
Legend has it that green aventurine has been successfully used in psychotherapy. It is effective for cardiopulmonary problems, and can increase muscle flexibility. It is often used to treat heart and eye diseases and relieve stress. It is said to also reduce anxiety and calm emotions, and bring wealth and friends. The country that produces […]
Aventurine quartz, the mineral name is quartzite jade, is a kind of crystal jade with a placer gold effect. During the long formation process, it contains other colored minerals and trace elements, such as mineral chromium mica. Small scales are arranged roughly oriented, showing a sparkling aventurine effect in the sun. Legend has it that […]
There are many places where pearls are produced in the world. Natural pearls are mainly produced in the Persian Gulf, Red Sea, South Pacific, Gulf of Mexico, etc.. They can be divided into Eastern Pearl, Perle du Sud, Australian Pearl, Southern Ocean Pearl, Black Pearl, Oriental Pearl, etc.. Due to pollution, the yield and quality of […]
The quality evaluation method of pearls can be said to be very systematic and scientific, just like the 4C grading of diamonds. The international evaluation of pearl quality mainly includes the following aspects: couleur, lustre, transparence, texture, forme, taille, etc.. In the case of cultured beads, there is also the problem of the thickness of […]
Bleu vert (Bleu vert), the mineral name is beryl, is a beryl with a lot of iron elements, as a long-standing gemstone, in the 19th century, people used aquamarine as amulet to protect sailors. Aquamarine also has some historical legends intertwined with expectations and superstitions. It has long been considered a symbol of happiness and eternal youth, […]
cryptocrystalline quartz jade. Chalcedony and agate have a very long history. À propos 100 Il y a des millions d'années, underground magma spewed out due to the changes in the earth’s crust. When the lava cooled, steam and other gases formed bubbles, and the bubbles were sealed when the rock was frozen to form many holes. After a long […]