Many people know that cat’s eye is a precious gem, na verdade, 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 [...]
Com o contínuo desenvolvimento da economia, a demanda das pessoas por várias gemas está aumentando, mas os recursos das gemas são limitados. Com o aprofundamento da mineração, vários recursos de gemas estão cada vez mais escassos. Como podemos resolver esta contradição? Claro que estamos procurando algo que possa substituir as gemas naturais. As gemas sintéticas surgiram neste contexto. [...]
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. Na verdade, 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, qual [...]
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. Portanto, people are always trying their best to deal with those poor raw materials to make them look more beautiful. Na verdade, the treatment methods for red and sapphire are far more than just heat treatment. Exceto [...]
Como pode ser reconhecido se a pedra preciosa foi preenchida? Muitas vezes existem pequenas bolhas redondas no recheio, o que é impossível em rubis naturais. Contudo, As bolhas geralmente são muito pequenas e só podem ser vistas com a ajuda de ferramentas de ampliação profissional, como microscópios de gem. A more effective method of identification [...]
Safira, tem um belo nome em inglês - Sapphire, que é derivado da palavra hebraica "bile", o que significa "a coisa perfeita". Safira é um termo geral para pedras preciosas de corindo de outras cores, além de rubis vermelhos entre as pedras preciosas de corindo.. O principal componente é a alumina (Al2O3). A safira azul é causada por uma pequena quantidade de titânio [...]