Mining and manufacturing processes for sapphire - Bok av Nanak Jogal - Häftad
Sapphire is a type of mineral called corundum, which is composed of aluminum oxide (Al2O3). It is one of the hardest minerals on Earth, second only to diamond, with a hardness of 9 on the Mohs scale. This extreme hardness, along with its high thermal conductivity and optical transparency, makes sapphire an ideal material for a wide range of industrial and technological applications.Sapphire comes in a variety of colors, including blue, yellow, green, pink, and even colorless. The blue variety of..