Sentence examples for a hardness from inspiring English sources

Glass ranks around 5.5 to 7 Mohs, but sapphire crystal has a hardness of 9 Mohs, making it only slightly less hard than diamond.

He has a hardness about him.

Regular steel has a hardness of around 4 Mohs, but hardened steel a hardness of around 8 Mohs.

There was a hardness in his face which I had not seen before.

There's a hardness in that smile, a desperation, that makes it more than friendly.

Claire, meanwhile, has quietly developed a hardness of character in her attempts to protect Camille.

Pip has to look after himself and from that he gets a hardness.

Maybe it's a hardness born of his policeman father being stabbed to death when he was just eight.

I studied them and realised that while some pictures were beautiful, others had a hardness to them.

The highest increase in the shore-A hardness value is found for PPTD-MBTS accelerated stocks.

This trend is not followed in the case of shore-A hardness values.