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2,145 questions

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17,744 users

Whati is this rock inside in hole have diferent form?

0 votes

asked Mar 23, 2017 by mario (310 points)
edited Mar 23, 2017 by mario

1 Answer

0 votes
Possibly chalcedony that formed in an air pocket.
answered Apr 27, 2017 by hershel (51,320 points)