September Birthstone

September Birthstone Sapphire Jewelry

September Birthstone – Sapphire

sapphire-birthstone

previous month zodiac signs next month Sapphire fact file Crystal Structure: hexagonal Chemical Composition: Corundum ( Aluminum oxide- Al203 ) Hardness: 9 MOHS Refractive Index: 1.762 to 1.77 Colors: yellow, green, pink, clear, and blue Sapphire, the symbol of truth,…