New Members Matthew444 Posted July 14 New Members Share Posted July 14 My wife and I inherited a rock collection, but have no idea what this is. We also are unsure of the location because of we didn't buy or find it ourselves. Possibly around Iowa. It is a darker blue and a bit grainy and slight sparkly like sandstone, but the appearance of something sitting on something is rather prevalent as well as the roundness. Link to comment Share on other sites More sharing options...
Fossildude19 Posted July 14 Share Posted July 14 This looks like a concretion to me. 3 Tim - VETERAN SHALE SPLITTER VFOTM --- APRIL - 2015 IPFOTM -- MAY - 2024 _________________________________________________________________________________ "In every walk with nature one receives far more than he seeks." John Muir ~ ~ ~ ~ ><))))( *> About Me Link to comment Share on other sites More sharing options...
Ludwigia Posted July 14 Share Posted July 14 Might just be a bit of pyrite in there, but it's hard to tell. Greetings from the Lake of Constance. Roger http://www.steinkern.de/ Link to comment Share on other sites More sharing options...
New Members Matthew444 Posted July 16 Author New Members Share Posted July 16 Thanks guys! Link to comment Share on other sites More sharing options...
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