Sapphire could be the key to nearly indestructible smartphone screens March 21, 2013 9:13 AM Ricardo Bilton Ricardo Bilton Twitter Profile Recent Stories: Nokia Lumia 928: Verizon’s first high-end Lumia is pretty, but flawed (hands-on) Unstoppable Samsung will sell its 10 millionth Galaxy S4 next week Google buys a quantum computer to make faster, smarter artificial intelligence Sapphire is the display material clumsy smartphone owners didn't know they needed.