In modern times, when science and technology are advanced, most gem names have precise meanings. Rubi (English name Ruby) is defined as a red corundum gemstone. Any other red gemstone, no matter how bright and cute it is, tidak bisa dipanggil “rubi”. It can only be called “Red XX Stone”. The evolution of the term sapphire (English name Sapphire) is more complicated, yaitu, it firstly refers to various blue gemstones to specifically refers to blue corundum gemstones; in recent years, this meaning has changed to refer to gem-grade corundum. In terms of corundum gemstones other than red (including blue, light blue, green, yellow and colorless, dll.). Karena itu, the yellow or colorless varieties should be called yellow sapphire and colorless sapphire respectively. By the way, in the jewelry industry of Hong Kong, Macau and Taiwan, rubies and sapphires are called “corundum ruby”, “corundum sapphire”, or simply “rubi” Dan “safir”. Both red and sapphire belong to the trigonal crystal system, and the crystals are mostly columnar or barrel-shaped. The color of gems is pure red, bright red, blood red, purple red or rose red, and is also called “rose purple gem”. Among them, itu “Merpati Darah Merah” ruby is the most precious. Sapphire is indigo, mutual, blue, sky blue, light blue, green, yellow, dll.. The bright sky blue with uniform tone is the best. Both red and sapphire are transparent to translucent, with glass luster, and have obvious pleochroism under the dichroic mirror; the hardness is 9, the density is 4g/cm3; the shell-shaped fracture, no cleavage; under ultraviolet light, the ruby There is obvious red fluorescence; sapphires do not fluoresce except for individual varieties produced in Sri Lanka and Kashmir.
Desain Produsen Perhiasan OEM/ODM Kustom Perhiasan Anda Sendiri
Mari kita 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.
Kapasitas produksi bulanan kami terserah 50,000 Potongan Gelang Kalung Anting -anting Cincin Perhiasan.,Toko rantai perhiasan,toko outlet,Pedagang perhiasan,Perusahaan Merek Pedagang dan Perhiasan,profesional menyediakan membuat perhiasan khusus dan produksi massal berkualitas tinggi 925 Layanan perhiasan perak sterling.