Името на граната, Гранат, evolved from the Latin Granatus, because its crystals are mostly granular, similar to mature pomegranate seeds. Garnet is a single-refraction gemstone of equiaxed crystal system, with hardness between 6.5 и 7.5, добра здравина, silicate minerals containing different metal elements, garnets are divided into six categories due to the different metal […]
Архиви на автора: Кингджи
Because of the variety of types, garnets are often sold under commercial names in the gem market, and the price varies greatly. This book introduces the more common garnets in the gem market. The following are the more common types in the market. Almandine: It is called noble garnet on the market. Това е […]
Demantoid: Demantoid is the most expensive of all garnets. The color is yellow-green to green. Demantoid 0.057 has a higher dispersion rate than diamond 0.044, so the fire after cutting Excellent, the name of Demantoid comes from its Diamond-Iike Luster, which has the luster like a diamond. Other garnets are black and yellow-brown. They are […]
Some pink topaz is formed by heating light yellow topaz. This kind of heat treatment has a history of centuries. The pink topaz inlaid on some antique jewelry from the Middle Ages is heat treated. Because the color of this treatment is stable and long-lasting, it is recognized in the industry to be acceptable, regardless […]
There are artificial spinel products in the gem market. The traditional synthesis method is synthesized by the fire melting method. През последните години, the spinel synthesized by the flux method has also entered the market. The appearance and internal appearance of the artificial spinel synthesized by the flux method have been introduced. , The content […]
Spodumene gemstones in the jewellery market are the only gemstones that appear more frequently. Неговият рефракционен коефициент е 1.655-1.680, birefringence difference is 0.015, dispersion ratio is 0.015, specific gravity is 3.15-3.20, and hardness is 6.5-7, but because it has a group The cleavage is quite complete, and it is easy to crack due to collision, […]
Hyacinth is composed of zirconium silicate, with a high refractive index of 1.78-1.987, and a very large birefringence difference of 0.059. As long as you use a magnifying glass to observe from the desktop, you can see the ridgeline of the bottom section of the double shadow, so it is easy to distinguish from diamonds […]
Както се казва в поговорката, “You can’t make a jade without cutting it”, which fully explains the importance of jewelry style and cut. Gemologists usually design specific styles according to the optical properties of different gems. The incident light is reflected back to the jewelry table to the maximum extent, showing the unique dispersion effect of […]
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Ноември
Ноември
“These earrings arrived packaged in a very nice gift box, which would have been nice for gifting, however these were for me. Много съм доволен от покупката си, in fact I’ve worn these everyday since I’ve received them. They are just like the picture, but look nicer in person. They are very pretty moonstones, […]
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Ноември
Ноември
“SENSITIVE EAR PEOPLE PLEASE READ. I purchased these back in September this is such a late review and I wish I would have done it sooner. I’m beyond pissed that I have had to go through this. I have been wearing these for a few months and these are 100% not full stainless steel. След […]