Apple has used sapphire in the past, namely to protect the camera lens on the iPhone from getting scratched. They have also introduced the use sapphire in the iPhone 5s to protect the Touch ID sensor, but according to recent rumors, Apple has bigger plans for sapphire in the next-gen iPhone, with some suggesting it could be used in the iPhone 6’s display. Well whatever Apple’s plans for sapphire are, word on the street is that Apple has recently begun shipping sapphire from their supplier in the U.S. to their manufacturers in China.