• 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

1,873 questions

3,275 answers


9,724 users

what kind of surface stones might contain amythyst

0 votes
asked Aug 10, 2017 by charles dollar (120 points)

1 Answer

0 votes

Amethyst is simply purple quartz. Quartz is a silica based rock, meaning SiO2. Most prevalent substance on earth. Could be any rock. It could be in any metamorphic rock. It can seep into fissures in sedimentary rock. SiO2 in solution can seep into fissures and form quartz, agate, amethyst...

answered Aug 11, 2017 by Weasel (42,940 points)

Related questions

0 votes
0 answers
asked Mar 11, 2017 by mustafag (120 points)
0 votes
1 answer
asked Jun 14, 2017 by toddster12345 (120 points)