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 [...]
Archiwa kategorii: Wiadomości z biżuterią
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 [...]
The unique blue-purple tone is the most attractive charm of tanzanite, and the direct lineage of the African jungle further demonstrates the mysterious and exotic flavor of tanzanite. Tanzanite is lucky enough to be among the precious gems as soon as it appears with its unique and elegant hue! Tanzanite belongs to a mineral called [...]
Since the "Tytaniczny" movie hit, when everyone knew that the heart of the sea gem in the movie was tanzanite, it attracted the attention of the jewelry market, and tanzanite became more popular. As the zoisite to which tanzanite belongs, its origin is scattered in many places in Europe and Australia, but the main origin [...]
Olivine is a magnesium-iron silicate mineral, belonging to the orthorhombic crystal system. Współczynnik załamania światła wynosi 1.654-1.690, and the birefringence difference is quite high as 0.036. From the table of the gemstone, the ridgelines of the bottom facet become overlapping The double shadow is because of the high birefringence difference, współczynnik dyspersji wynosi 0.020, [...]
Before the development of synthetic technology, the scientific name of hyacinth zircon is the closest natural gemstone to diamond, so zircon can be said to be the earliest natural substitute for diamond, because it has a fairly high refractive index and its dispersion rate is close to that of natural diamonds. W porównaniu z diamentami, . [...]
Moonstone is a kind of Feldspar gems of Feldspar. Feldspar and quartz are very common and very important minerals in the earth's crust. According to the characteristics of feldspar, it can be divided into Orthoclase and Plagioclase. Moonstone is a kind of orthoclase, with a refractive index of 1.518-1.526, różnica dwójłomności 0.005, A [...]
Calcite is a calcium-containing carbonate mineral. It is a very important mineral in the earth's crust. It is often used as a teaching material to explain the characteristics of gems, but it is rarely used as jewelry because it has a very high birefringence difference and a perfect solution. Reason, although other gems also have [...]
W handlu klejnotami, "karat" jest często używany jako jednostka jakości. Termin karat, pierwotnie w języku greckim, oznacza nasienie pewnego rodzaju "drzewo karobowe" która rośnie na śródziemnomorskim wybrzeżu Europy. Starożytni wierzyli, że jakość każdego nasionka jest taka sama, więc służył jako ciężarek [...]
Humans have been searching, mining and using gemstones for nearly 6000 lata. Na przykład, the famous Chinese "Hetian jadeit" has been discovered as early as the primitive society. Według niepełnych statystyk, jest więcej niż 600 kinds of gem mines discovered and mined in the world, and these gem resources are mainly distributed in [...]