chele Posted November 30, 2011 Share Posted November 30, 2011 I found this about a month ago down on the Yellowstone river. It is pretty heavy for its size. The lighter brown is sandy and the darker red is very hard. Is this a concretion? Or could it be just a strange rock? I have been packing things up for the move and I have been finding a lot of stuff I forgot I had hiding under piles of fossils or rocks. Chelebele Link to comment Share on other sites More sharing options...
lordpiney Posted November 30, 2011 Share Posted November 30, 2011 (edited) siderite or limonite nodule...break it open...you know you wanna! lol. Edited November 30, 2011 by Guest Link to comment Share on other sites More sharing options...
mandiex4 Posted November 30, 2011 Share Posted November 30, 2011 I was going to guess some time of geode?????? Who Says I Can't Be Wonder Woman..... Link to comment Share on other sites More sharing options...
chele Posted November 30, 2011 Author Share Posted November 30, 2011 siderite or limonite nodule...break it open...you know you wanna! lol. Chelebele Link to comment Share on other sites More sharing options...
Kosmoceras Posted November 30, 2011 Share Posted November 30, 2011 I can't wait to see what is inside! Link to comment Share on other sites More sharing options...
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