• 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

2,211 questions

3,860 answers


76,353 users

what makes some calcite blue? I just collected some from Harrisville , NY

0 votes
asked Aug 15, 2016 by Frank CZ3 (120 points)

1 Answer

0 votes
I could not find anything about reasons for colorization of calcite. Maybe some others can help.
answered Aug 17, 2016 by Weasel (58,160 points)