Diamonds Were a Girl's Best Friend

Diamonds have been demoted! They are no longer the hardest material in existence. Suffice to say that Mr. Buckminster Fuller is getting his due name recognition.

Here are some example Bulk Moduli for common material. Notice the one at the bottom; wow.

Material

GigaPascals
Gasoline 1.3
Water 2.15
Seawater 2.35
Graphite 34
Steel 160
Diamond 442
Compressed C60 491

Here’s a nice paper calculating the possible modulus of C60.

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