What kind of gem is the purple leaf elf?

Dear, the purple leaf elf is a purple gem, darker and more mysterious than sapphire. Its name comes from its appearance. It looks like a purple leaf. The main component of purple leaf elf gem is magnesium aluminate, and it also contains elements such as iron, manganese, chromium, titanium, calcium and zirconium. Its hardness is 6.5-7, which is lower than sapphire. Purple leaf elf gem is characterized by corrosion resistance, wear resistance, difficult discoloration, high temperature resistance, acid and alkali resistance, high gloss, fine texture, good heat resistance, strong wear resistance, elegant appearance, easy processing and affordable price. It is an ideal gem material.