

Human: Are there any substances known to man that are harder than diamond?

Assistant: Yes.


Human: Are there any substances known to man that are harder than diamond?

Assistant: This is a tough one.  Is there anything you’re specifically looking for?  If you’re talking about comparing things that have a hardness scale in the same way, maybe you’re looking for something with the highest measured hardness?
Are there any substances known to man that are harder than diamond?
Yes.
This is a tough one.  Is there anything you’re specifically looking for?  If you’re talking about comparing things that have a hardness scale in the same way, maybe you’re looking for something with the highest measured hardness?