Sapphire Crystal: The Holy Grail For Virtually Unbreakable Smartphone Displays

Sapphire glass scratch test against a block of concrete. Image courtesy of CBS Interactive

Corning’s Gorilla Glass has been all the rage in a market dominated by growing smartphone touchscreen displays with its scratch-resistant and break-resistant properties, but there’s something even better. Also known generically as chemically strengthened glass, Gorilla Glass has surprisingly built up a brand reputation for itself among consumers who seek out a smartphone or tablet […]