article_snippet.sent: And it may be the California-based firm’s most durable too.
article_snippet.sent: A sapphire glass screen used in the device has remained scratch-free after being subjected to being rubbed with sandpaper, keyed and even hit with a hammer.
article_snippet.sent: A sapphire glass screen used in the device has remained unscratched after being subjected to being rubbed against a stone wall (pictured) and with sandpaper, keyed and even hit with a hammer .
article_snippet.sent: Test was carried out by Cardiff-based iPhone repairs specialist iPhoneFixed.co.uk, which used a sapphire screen from a 38mm Apple Watch for Test experiment.
article_snippet.sent: Here, sapphire glass screens withstands being scratched by sandpaper .
article_snippet.sent: sapphire glass screens is thin, super-strong and scratch resistant.
article_snippet.sent: Sapphire glass is said to be twice as tough as normal glass and almost as hard as a diamond.
article_snippet.sent: The test led iPhoneFixed to claim: ‘sapphire glass is pretty strong and virtually impossible to scratch’.
article_snippet.sent: The test led iPhoneFixed to claim: ‘sapphire glass is pretty strong and virtually impossible to scratch’.
highlights_snippet.sent: Test showed how durable the material made from synthetic crystals is .
  