Over a week ago, Marques Brownlee released an iPhone 6 torture test video where he tried scratching the display of the purported iPhone 6 display with a knife and key with no success. In a new video, Marques Brownlee got more technical and explains exactly the knife and key were ineffective and used two different types of sandpaper to scratch the display.
According to Brownlee, the Mohs scale of mineral hardness rates mineral hardness from 1-10. The iPhone 5s’ Gorilla Glass display is rated at 6.8 and the iPhone 5s Touch ID home button rated at 9. The two sandpapers Brownlee used to scratch the glass display were rated at a 7 and 8 on the Mohs scale. This suggests that the display is not entirely compose of sapphire as is the case of the Touch ID cover, which survived the test. Brownlee linked to a patent from Apple which hints at a sapphire laminate used on glass display that might be at play here.
In other news, AppleInsider (via MacX forum) has published an alleged photo of the flex cable heading to the iPhone 6. To the untrained eye there seems to be little difference between this and previous cable. However, AppleInsider pointed out that: