It's true. Purple sapphire has attractive purples such as purplish red, violet and blue purple. The resources of purple sapphires are also scarce, and those over one carat only account for 3% of the annual output. Purple sapphire, named Violet/purple sapphires in English, is also called purple corundum, and its chemical composition is alumina (al? o？ ), its color-developing elements are vanadium and chromium, and its purple can gradually become light reddish purple or purple pink, or tend to blue purple, red purple and so on. Purple sapphire is rare in all sapphire color systems. In the sapphire family, purple sapphire is very rare, and its survival is very low. Purple sapphire is mainly produced in Sri Lanka, and a small amount is produced in Thailand and Myanmar. Due to the scarcity of resources, large purple sapphires are rare. In the jewelry market at home and abroad, purple sapphires exceeding 1 carat are very precious. Purple sapphire, an elegant sapphire in corundum family, belongs to corundum family in mineralogy and is the general name of corundum gems with other colors except ruby. Besides blue, it also includes pink, orange, yellow, green, gray and purple, and it is also recognized as one of the precious gems in the world. Its origin is concentrated in the mining areas of Sri Lanka, Thailand and Myanmar, and its output is scarce, so it is difficult to mine, and it is precious among colored sapphires.