Introduction to Sapphire–Baolong.com Baolong.com Sapphire Ring “Quiet” Sapphire, it has a nice English name-Sapphire, which is derived from the Hebrew word “sappir”, which means “the perfect thing”. Sapphire is a general term for corundum gemstones of other colors in addition to red rubies among corundum gemstones. The main component is alumina (Al2O3). Blue sapphire is […]
