A gem with neon, electrical blue coloration hues that is quite shut in color to your super rare Paraiba Tourmalines from Brazil. Sapphire is any gem-quality specimen from the aluminum oxide mineral corundum that is not crimson. Although sapphires are sometimes blue, they are often colorless or almost every other https://gemstonesforsalesouthafri53962.digiblogbox.com/55725992/a-review-of-gemstones-list