3 ms·
Diamonds also shatter. It's got roughly the same toughness as sapphire but the cleavage planes are more annoying (in that it has them, while sapphire doesn't).
by regularfry 2y ago
Diamonds also shatter. It's got roughly the same toughness as sapphire but the cleavage planes are more annoying (in that it has them, while sapphire doesn't).