Is sapphire a mineral?

Most commonly refers to a blue gem variety of Corundum, but other coloured varieties of Corundum are also described as Sapphire, except red Corundum, which is better known as <M>Ruby</M>. read more

Sapphire is a precious gemstone, a variety of the mineral corundum, an aluminium oxide (α-Al 2 O 3). It is typically blue, but natural "fancy" sapphires also occur in yellow, purple, orange, and green colors; "parti sapphires" show two or more colors. read more

Sapphire is the most precious and valuable blue gemstone. It is a very desirable gemstone due to its excellent color, hardness, durability, and luster. In the gem trade, Sapphire without any color prefix refers to the blue variety of the mineral Corundum. read more