May 11, 2012, 06:24 PM
Volcanic Rock Of Some Sort
Oops...Posted this in the wrong thread...Posted again in the Rock section...
Last edited by Cariboo5; May 11, 2012 at 11:42 PM.
Reason: posted in wrong thread
May 11, 2012 06:24 PM
May 14, 2012, 01:24 AM
Volcanic rock or eroded limestone. Try and put a drop or two of muritac acid on it and see if it bubbles up. If it does then it may be limestone. I don't think volcanic pumice will react to the acid. ( Be sure to wash the rock and anything else off good with water when you are done.)