Diamond coated glass is available and is sometimes used for checkout lane scanners.[1] It's not common. [1] https://www.diamonex.com/wear-resistant-glass/ http

Diamond coated glass is available and is sometimes used for checkout lane scanners.[1] It's not common. [1] https://www.diamonex.com/wear-resistant-glass/ https://www.diamonex.com/wear-resistant-glass/