• 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


29,367 users

Does anyone know what this piece of Thomsonite from Minnesota is worth?

+2 votes

asked May 7, 2017 by Cjb1961mn (140 points)

1 Answer

0 votes
They don't mine it, from what I understand the last mine that produced it doesn't have much any more. It is found in copper mines. I do not know everything about it. Everytime I have across it, I have bought the entire lot. I bought one about half that size in Houghton for $5.
answered May 9, 2017 by Weasel (56,700 points)

Related questions

0 votes
1 answer
0 votes
1 answer
asked Jun 10, 2018 by Arbi717 (120 points)
0 votes
2 answers
asked Jun 22, 2013 by heavenjll (120 points)