Spodumene gemstones in the jewellery market are the only gemstones that appear more frequently. Its refractive index is 1.655-1.680, birefringence difference is 0.015, dispersion ratio is 0.015, specific gravity is 3.15-3.20, and hardness is 6.5-7, but because it has a group The cleavage is quite complete, and it is easy to crack due to collision, [...]
Category Archives: Jewelry News
Hyacinth is composed of zirconium silicate, with a high refractive index of 1.78-1.987, and a very large birefringence difference of 0.059. As long as you use a magnifying glass to observe from the desktop, you can see the ridgeline of the bottom section of the double shadow, so it is easy to distinguish from diamonds [...]
As the saying goes, "You can't make a jade without cutting it", which fully explains the importance of jewelry style and cut. Gemologists usually design specific styles according to the optical properties of different gems. The incident light is reflected back to the jewelry table to the maximum extent, showing the unique dispersion effect of [...]
First of all, when giving gems and jewellery, it is necessary to clarify the recipients to avoid unreasonable phenomena. For example, it is considered impolite and unreasonable for women to gift pearl jewelry to men or ivory jewelry to overseas friends, because pearl jewelry is feminine jewelry, and ivory jewelry is prohibited from importing in [...]
"You can't make a tool without cutting jade", this sentence fully illustrates the importance of gem processing. Gemstones can have high aesthetic value and commodity value only through style design and fine carving. The process of gem processing is also a process of artistic creation. It must be based on people's aesthetic concepts and consumer [...]
The faceted type is also called the small face type or the turned face type. Its basic feature is that the shape of the gem is composed of many small facets arranged and combined according to a certain rule, which is a regular symmetrical geometric polyhedron. The round facet type is the most common cut [...]
Crystal is a kind of colored gemstone that people love, and it can often grow a huge crystal or crystal cluster. The actual crystal crystal grows in a geode, and it always has one end on the wall of the cave, so only one end can freely grow a sharp cone. Generally, only half of [...]
The stones here refer to gem-level stones. Gems are the essence of nature in the universe, beautiful, rare, and condensing energy for hundreds of millions of years. It can be said that they are the spirits of nature. Through the understanding of gems, people believe that these magnificent elves have an impact on people's fortune. [...]
It is generally believed that the word “jewelry” means pearls, jade beads, and treasures means jade, gold and silver ingots, currency, and seals. Therefore, “jewelry” should refer to pearls, gems, jade, gold and silver, etc. Things that are treasures, or precious materials. There are 6 producing areas with relatively concentrated gemstones in the world: (1) [...]
(1) Diamonds: mainly produced in Yimeng Mountain, Shandong and Dalian, Liaoning. Among them, the quality of gem-grade diamonds from Dalian Wafangdian is the best. (2) Sapphire: mainly distributed in the eastern coastal areas, such as Hainan, Fujian, Jiangsu, Shandong and Heilongjiang provinces. The storage capacity is considerable, but the color is mostly indigo blue with [...]