Since the “Titánský” 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 […]
Archivy kategorií: Novinky šperků
Olivine is a magnesium-iron silicate mineral, belonging to the orthorhombic crystal system. Index lomu je 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, Míra rozptylu je 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. Ve srovnání s diamanty, The […]
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, s indexem lomu 1.518-1.526, dvojlomový rozdíl 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. Důvod, although other gems also have […]
V obchodu s drahokamy, “karát” se často používá jako jednotka kvality. Termín karát, původně v řečtině, znamená semeno druhu “rohovník” který roste na pobřeží Středozemního moře v Evropě. Staří lidé věřili, že kvalita každého semene je stejná, so it was used as a weight […]
Humans have been searching, mining and using gemstones for nearly 6000 roky. Například, the famous Chinese “Hetian Jade” has been discovered as early as the primitive society. Podle neúplných statistik, existuje více než 600 kinds of gem mines discovered and mined in the world, and these gem resources are mainly distributed in […]
Among the five continents, Asia is not the continent with the most gem varieties and production. The other four continents have their own strengths. 2. Africa The African continent is extremely rich in gem production and is known as the richest gem warehouse on earth. The main gems are diamonds, smaragdy, tanzanites, zlaté smaragdy, rubíny, […]
The strength of dispersion of different gemstones is different. It is usually expressed by the difference between the refractive index measured by red light at 686.7nm and purple light (460.8nm 1), and is called dispersion value. Obvykle, the dispersion value greater than 0.03 is called strong dispersion. Colorless or light-colored gems with strong dispersion can […]
1. Helps identify gem species There are special inclusions in some gems, and the types of gems can be determined by studying these inclusions. Například, rubies often contain needle-shaped rutile particles, and they intersect at 60 úhly. This is determined by the symmetry of the ruby itself. Proto, it is a unique inclusion of […]