Sapphire mirror usually determines artificial sapphire, artificial sapphire is usually used for watch mirror
It is actually an anti-use asset with tungsten-titanium alloy and undefined modern technical ceramics. Although these products are not subject to wear, they cannot withstand strong factors.watch crystal sapphire。 At the same time, some products that use the same or increase sturdiness (for example: grindstone, sandpaper, nail paper, granite floor, concrete wall countertops and floors, etc.) may affect the most significant human resources symbol.
Sapphire may be a common expression for corundum gems of other colors than rubies. The key element is alumina (Al2O3). Sapphire cup refers to non-natural sapphire, and its chemical composition synthesis method and real actual physical elements are the same as ordinary sapphire.
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