Рубин, the mineral name is corundum, depends on the chromium content in it. Since crystals often appear double crystals, they are prone to cracks, and the increase in chromium content will increase the color of rubies. The rutile contained in it can produce silky appearance or arc-shaped visible starlight effect. Heating or radiation can remove […]
Категория архива: Ювелирные новости
(1) Цвет. The ruby with the best color is called “pigeon’s blood red”, то есть, the color is as red as the blood of a pigeon, with a bright red color. Конечно, true pigeon blood rubies are very rare. Rubies are the best in category A (“кровь голуби”), followed by category B (pigeon blood […]
Sapphire is a symbol of calmness and wisdom. Sapphire has a lofty status in European and American countries. In Europe, sapphire blue is known as “Royal Blue”. В Соединенных Штатах, sapphire is also designated as “national stone”. “The Duke of Windsor once gifted a sapphire ring to his beloved wife as a gift of […]
Рок -кристалл, Минеральное название кварц, очень старый драгоценный камень. На протяжении тысячелетий, Кристалл рассматривался как символ непрерывного, чистота и доброта с его чистыми, прозрачная и тяжелая текстура. Легенда гласит, что когда древние римляне впервые получили кристалл в Альпах, they thought it was changed by […]
1. colour The colorless crystal is clean and translucent as the standard. The color of the colored crystal itself should be uniform, pure and gorgeous. Amethyst and topaz are the more valuable varieties of crystals. The further classification of the two is the darker the color (but not dark as the standard) The better. В […]
The geological conditions for the formation of jadeite are strict. Studies have shown that the high-quality jadeite wall rock is high-magnesium, high-calcium, low-iron and high-sodium rock in a high-pressure and low-temperature geological environment with a temperature of about 150-300℃. The jadeite produced in this environment is of good quality. Однако, the reality is not all […]
1. Divided by output status New pit material refers to the primary ore that is extracted from the mine manually without any transportation. Поверхность материала нового ямы свежая, Нет выветрившейся корочки, плотная форма блока, с краями и углами, часто плохая прозрачность, Короткая водная головка, И относительно свежий цвет. Pit material is […]
People often say that gold is priceless and jade is priceless. As the mainstream of the Chinese jade market, the price of jadeite can be said to be very different. After years of market law, people have summed up the dimensions and standards of jadeite value. The quality evaluation of jade has five main aspects: […]
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. As a gemstone, transparency is of course the more transparent the better. There is also a saying in the industry: the layman […]
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. As the saying goes, “ten treasures and nine cracks” means that almost all jadeites are cracked, but the degree is different. Конечно, we all like jade without cracks, […]