Sapphire is a really super hard and sparkly gemstone that people can find in the ground. It is made up of a special type of rock called corundum. Sapphire can be different colors like blue, pink, yellow, green, and even clear.
Sometimes people take sapphire and make it into pretty jewelry like necklaces, earrings, and rings. It looks really shiny and makes people feel like they are wearing something very special.
But sapphire isn't just pretty to look at, it can also be used for things like making special windows for airplanes and submarines. This is because sapphire is super strong and can withstand a lot of pressure without breaking.
Overall, sapphire is a really pretty and strong gemstone that people can find in the ground and use for all different kinds of things.