Crystal Properties: Sapphire is a variety of corundum, an aluminum oxide with a hexagonal crystal system.

Metaphysical Properties: Revered as a stone of royalty, Sapphire is believed to keep kings safe from harm or envy. It is also purported to protect one from dishonesty, fraud, terror, poverty, and even stupidity and ill temper. The three crossed lines in Star Sapphire have been said to represent hope, faith and destiny, and in German lore it was considered a stone of victory.