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Mineral glass is a type of glass that is commonly used in the manufacture of watch crystals, eyeglass lenses, and other optical applications. It is made from a special type of glass that contains a variety of minerals, such as silica, sodium oxide, and magnesium oxide, which give it enhanced durability and scratch resistance.
Sapphire crystal glass is a type of glass that is made from synthetic sapphire, which is a form of crystalline aluminum oxide. It is an extremely hard and scratch-resistant material that is often used in high-end watches and other luxury items.
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