gelang pria perak Ciri-ciri Kalsedon

Kuarsa merupakan mineral yang paling melimpah di kerak bumi. Kalsedon juga cukup umum di strata tersebut. Ini sering hidup berdampingan dengan banyak mineral berbeda. Karena itu, Permata kalsedon sering muncul di hadapan dunia dalam berbagai penampilan. Beberapa kalsedon istimewa adalah mahakarya alam, dan itu adalah favorit para kolektor.

Because chalcedony minerals are very common and usually cheap, they are often used as materials for carving. The most famous carving is the famous relief gem Cameo from ldar-Oberstein in Germany. This relief gem is used Agate has bands of different colors for carving. Using the color of agate as the background color to make three-dimensional carving of the white part is quite difficult. Most of the price depends on the carving technique. This kind of relief gemstone is loved by many consumers and is well-known.

Crystal and chalcedony are the two most important series of gemstones in the quartz family. The difference is that the crystal is a crystalline quartz, which has obvious crystallization, and most of the crystals are visible to the naked eye; while the chalcedony is a cryptocrystalline quartz or microcrystalline. Kuarsa Mikrokristalin, cryptocrystalline means that the crystal structure of quartz is very small and dense, and the grains of the crystal cannot be recognized with the naked eye, so it is called cryptocrystalline quartz. It belongs to the quartz family, and the chemical composition is also silica, but the crystallization pattern of chalcedony and crystal is different, which makes it have some differences in the gem characteristics of crystal. The refractive index of chalcedony is 1.535-1.539, and the specific gravity is 2.60-2.68. The structure of chalcedony is Aggregate, and the color is gray to white. The different colors of chalcedony are because of the relationship between different foreign elements or minerals. The more common result is the result of dyeing. The texture of chalcedony is transparent To be opaque.

 

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Desain Produsen Perhiasan OEM/ODM Kustom Perhiasan Anda Sendiri

MARI MULAI : mo@kingjy.com

 

Guangzhou Jingying Fokus pada Kalung Cincin Grosir Kustom Gelang Anting Sterling Silver 925 perhiasan,Sterling Silver Gold berlapis 18K,14K,24K emas kuning,emas putih dan emas mawar.,merek logo atau kata -kata lain dengan ukiran laser sesuai dengan persyaratan pelanggan.

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