Sapphire is a precious gemstone, a variety of the mineral corundum, consisting of aluminium oxide with trace amounts of elements such as iron, titanium, chromium, copper, or magnesium.
White star Sapphire stimulates the Crown Chakra, located at the top of the head. When the Crown is in balance, our energies are in balance. White star Sapphire clears the mind of negative thoughts and allows coming to new tasks with a fresh perspective. Physical Healing of White star sapphire, it stimulates the pineal and pituitary glands, and is useful in discovering alternate- or past-life influences in current illnesses.
Also, Because of its hardness (second only to Diamond), Sapphires are used in industrial applications such as components for watch crystals and movement bearings, scientific instruments, high-durability windows, and insulating substrates in special purpose solid state electronics.