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 [...]
Thể loại Lưu trữ: Tin tức trang sức
Trong thực tế, the seeds of carob are not the same weight. Trong những năm gần đây, 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. Hôm nay, when the measurement method is becoming more sophisticated, quốc gia [...]
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, Vì thế [...]
Topaz is a kind of aluminosilicate chloride or hydroxide. It belongs to the orthorhombic mineral. chiết suất là 1.619-1.637, sự khác biệt lưỡng chiết là 0.008-0.010, the specific gravity is about 3.53, và độ cứng là 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. Ví dụ, the Black Prince's Ruby in the British crown and the Timur Ruby inlaid on a diamond chain are actually red spinels. cục đá. Spinel used [...]
Even in a downturn, the market for high-quality spinel is not lower than its popularity. If you compare ruby and red spinel with the same color and good quality, the unit price of spinel per carat is only about one-third of that of ruby. It is a pity that many expensive rubies sell much faster [...]
The pink to lavender konsai stone is the best spokesperson for the pink series of gems. Some people may not be familiar with the konsai stone, but its beautiful hue is the favorite pink gemstone of collectors. It is a very young The gemstone was introduced by Dr. Kong Sai (GF. Kunz) as a new [...]
Tông màu xanh tím độc đáo là nét quyến rũ hấp dẫn nhất của tanzanite, và dòng dõi trực tiếp của rừng rậm châu Phi càng chứng tỏ thêm hương vị bí ẩn và kỳ lạ của tanzanite. Tanzanite may mắn được xếp vào hàng đá quý ngay khi xuất hiện với màu sắc độc đáo và trang nhã! Tanzanite belongs to a mineral called [...]