Sapphire

Sapphire is a precious gemstone, a form of the mineral corundum,

consisting of aluminium oxide with trace amounts of elements such

as iron, titanium, chromium, copper, or magnesium.

 

Color: Blue, Yellow, Black, Purple, Green, White, Grey, Pink, Orange, Brown

Birthstone zodiac sign: Virgo

Associated month: September

Hardness (Mohs Hardness scale): 9

Sapphire