• Register


Information for users from the old Q&A site
If you have an account from our old Q&A site, your account was transferred over, but you need to reset your password and confirm your email address.
Reset Password here
Confirm Email here

1,624 questions

2,881 answers

717 comments

5,011 users

Find out how many minerals contribute to the hardness and rocks?

0 votes
asked Feb 7 by weng (140 points)

1 Answer

0 votes
It is not the number of elements rather it is the nature of chemical bonds, crystalline structure, heat and pressure. A comprehensive answer would take a semester to deliver and a lifetime to begin to understand.
answered Feb 9 by Weasel (31,510 points)
 


...