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. Como uma pedra preciosa, transparency is of course the more transparent the better. There is also a saying in the industry: the layman […]
Arquivos de categoria: Notícias de jóias
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. Como diz o ditado, “ten treasures and nine cracks” means that almost all jadeites are cracked, but the degree is different. Claro, we all like jade without cracks, […]
1. Divided by output geological environment Aberdeen jade: It is formed from the original nephrite mineral deposits transported by weathering to the river. Geralmente, it is pebble-like, with smooth surface, good roundness, and a layer of skin on the outside, with small blockiness. Mountain jade: A primary ore produced on the mountain, it is characterized […]
Serpentina, 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 serpentina, also known as serpentine, is an […]
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 […]
Existem muitos lugares onde as pérolas são produzidas no mundo. As pérolas naturais são produzidas principalmente no Golfo Pérsico, Mar Vermelho, Pacífico Sul, Golfo do México, etc.. Eles podem ser divididos em Pérola Oriental, Pérola do Sul, Pérola Australiana, Pérola do Oceano Antártico, Pérola Negra, Pérola Oriental, etc.. Devido à poluição, the yield and quality of […]
O método de avaliação da qualidade das pérolas pode ser considerado muito sistemático e científico, assim como a classificação 4C dos diamantes. A avaliação internacional da qualidade das pérolas inclui principalmente os seguintes aspectos: cor, brilho, transparência, textura, forma, tamanho, etc.. No caso de contas cultivadas, there is also the problem of the thickness of […]
Água Marinha (Água Marinha), 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. Sobre 100 million years ago, 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 […]