Mufan ruby is carefully designed by designers and polished by craftsmen. It's not true that every one is a boutique, but it's all synthetic rubies.

Ruby refers to red corundum, which is a kind of corundum, and its main component is alumina (Al_O_). The red color comes from chromium (Cr), mainly chromium trioxide, and its content is generally 0. 1~3%, and the highest is 4%. Sapphire is the blue of iron and titanium, and corundum with other colors other than chrome is also called sapphire. Natural rubies are very rare, so they are precious, but it is not too difficult to synthesize rubies, so industrial rubies are all synthetic. 1999, a red and blue conjoined corundum weighing 67.5 carats was found in Changle County, Shandong Province, China. It is called "Yuanyang Gem" and is a rare miracle in the world. 20 12 Many ruby mines were found in the riverbed of Caracas River in Mo Yuxian, Hotan, Xinjiang, with the largest of 32.7 carats.