Many people know that cat’s eye is a precious gem, ve skutečnosti, it is the fifth most precious gem. But most people’s understanding of cat eyes is incomplete or even wrong. I have never seen an opal, I should have seen a cat. The opal is named because its surface has a bright band that […]
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Tourmaline is a well-known gem species second only to precious gems, and is the most valuable of all common semi-precious stones. It is a kind of tourmaline with quite complex composition. It will generate static electricity after being heated or rubbed, and it can adsorb small objects. This is the reason why tourmaline always has […]
With the continuous development of economy, people’s demand for various gems is increasing, but gem resources are limited. With the deepening of mining, various gem resources are increasingly scarce. How can we resolve this contradiction? Of course we are looking for something that can replace natural gems. Synthetic gemstones came into being in this context. […]
The ancient Roman philosopher Pliny once said: “The whole world is contained in the tiny space of gems.” Those who truly understand and understand gems should learn to look at the flaws in gems with an appreciation. Ve skutečnosti, the interior of every natural gemstone is a beautiful landscape painting. Just like a master’s painting, […]
If someone says that a gem can be recognized at a glance, you would think he is talking about it. Although not all gems can be identified at a glance, there are indeed some gems that can be easily identified with the naked eye. The color of some gems is very stable and typical, which […]
The biggest counterfeit of crystal is glass. Many people may want to go beyond the question: Is there a tool that can quickly distinguish between glass and crystal without much professional knowledge and can be used at a glance? The answer is yes, the polarizer is what you are looking for. Polarizer is a necessary […]
If the crystal you are testing is bead-shaped, when you turn the crystal, in addition to seeing the phenomenon of light and dark changes, you will have amazing discoveries. At a particular angle, you will see a colored interference pattern as shown in the figure below. The pattern is a hollow black cross with colored […]
Red and sapphire are valuable precious gemstones, resources are very scarce, and high-quality raw materials are even rarer. Proto, people are always trying their best to deal with those poor raw materials to make them look more beautiful. Ve skutečnosti, the treatment methods for red and sapphire are far more than just heat treatment. Except […]
Jak lze uznat, zda byl drahokam vyplněn? Při plnění jsou často malé kulaté bubliny, což je nemožné u přírodních rubínů. Však, Bubliny jsou obvykle velmi malé a lze je vidět pouze pomocí nástrojů profesionálního zvětšení, jako jsou mikroskopy GEM. A more effective method of identification […]
Safír, it has a nice English name-Sapphire, which is derived from the Hebrew word “sappir”, což znamená “the perfect thing”. Sapphire is a general term for corundum gemstones of other colors in addition to red rubies among corundum gemstones. The main component is alumina (Al2O3). Blue sapphire is caused by a small amount of titanium […]