UPJOKE
toughdifficultarduousstrongsteelyeffortfulseveresemihardhardenedgraniticlaborioustryingseverelycorneousvelar

What rock is a 6.9 on the Mohs Hardness Scale?

Gneiss

What did the Moh’s hardness scale say when it was feeling down?

“I don’t want to talc about it”

Please note that this site uses cookies to personalise content and adverts, to provide social media features, and to analyse web traffic. Click here for more information.