Tourmaline is the most common color among all gemstones, from single-color red, green, yellow, blue, etc., to two-color and three-color tourmaline. Few other natural gemstones can be so diverse. The face appeared on the market at the same time, so the "kaleidoscope" used to describe the role of tourmaline in the gem world couldn't be [...]
Category Archives: Jewelry News
The mineralogical name of tourmaline is tourmaline. Tourmaline is the name adopted by the gem industry. Why is tourmaline called tourmaline in gemstones? I can't find an answer for textual research. However, the word "xi" refers to Chinese It is a seal used by the emperor. It is said that Empress Dowager Cixi liked watermelon [...]
The complexity of the chemical composition makes the chemical formula of tourmaline extremely complicated. Basically, tourmaline is a compound composed of a group of borate and silicate and a variety of metal elements. It is precisely because of its complex chemical composition that tourmaline will be diversified. Colors. Almost all the colors of colored gemstones, [...]
Because there are so many kinds of colors, tourmaline is very close to the colors of many gemstones. For people who are less exposed to this type of gemstone, it is really difficult to distinguish at first glance; there are many gemstones with similar star faces to tourmaline, which are more likely to cause Troubled [...]
In fact, the seeds of carob are not the same weight. In recent years, some people in our country have collected hundreds of these seeds. After weighing them with a precision balance, they know that their actual mass is 143-240mg, which shows the big difference. Today, when the measurement method is becoming more sophisticated, countries [...]
Garnet is very unique among colored gemstones. It is a large category of gemstones, and can be divided into different categories below. Garnets of different textures are very different in color and properties, and prices vary greatly. Garnet is a collective name for a group of silicate minerals with different colors, the same crystal structure, [...]
Compared with the gorgeous gemstones, topaz is like an orchid in an empty valley, quietly blooming with an elegant temperament. Compared with shining diamonds, brilliant red rubies, and delicate emeralds, Topaz The stone has a simple but gorgeous unique beauty. Topaz is the birthstone in November. The fresh and elegant color is suitable for all [...]
It is said that an Egyptian princess tried to assassinate the Pharaoh, but was exiled to a small island in the Red Sea-Topazos because of her deeds. The original text means "searching" because the island is covered by dense fog all year round, and the crew must work hard. Land search can only arrive, so [...]
Topaz is a kind of aluminosilicate chloride or hydroxide. It belongs to the orthorhombic mineral. The refractive index is 1.619-1.637, the birefringence difference is 0.008-0.010, the specific gravity is about 3.53, and the hardness is 8. , Second only to red sapphire corundum, but its toughness is very poor, because the topaz crystal has a [...]
Spinel has always been regarded as ruby in the past, because it usually co-exists with ruby, and its appearance resembles ruby. Some famous rubies in history are actually spinels. For example, the Black Prince's Ruby in the British crown and the Timur Ruby inlaid on a diamond chain are actually red spinels. stone. Spinel used [...]