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1,799 questions

3,145 answers

800 comments

8,430 users

what mineral is this?

0 votes

https://www.flickr.com/photos/130982378@N05/

its been sitting in my house for a while and iv always wondered

asked Mar 7, 2015 by mcbumpin (120 points)

1 Answer

0 votes

This looks like a piece of quartz stained by iron oxide on the outside.

answered Mar 7, 2015 by Weasel (38,360 points)

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