• 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

2,176 questions

3,807 answers


29,418 users

Does anyone know if a natural rock that has the three variants: Cristobalite, Tridymite and regular quartz?

0 votes
asked Mar 3, 2017 by Diane Morrow (120 points)

1 Answer

0 votes
Can you please explain your question in a bit more detail? Are you asking if these 3 silica types can form together in one specimen?
answered Apr 27, 2017 by hershel (51,840 points)