Kingofthekats Posted August 27, 2017 Share Posted August 27, 2017 Found In Raubsville Pennsylvania Link to comment Share on other sites More sharing options...
Miocene_Mason Posted August 27, 2017 Share Posted August 27, 2017 Chert is the first thing that pops to mind, try a hardness test, it could pinpoint the rock. 1 “...whilst this planet has gone cycling on according to the fixed law of gravity, from so simple a beginning endless forms most beautiful and most wonderful have been and are being evolved.” ~ Charles Darwin Happy hunting, Mason Link to comment Share on other sites More sharing options...
Ludwigia Posted August 27, 2017 Share Posted August 27, 2017 Looks like a water-worn pebble, whatever it is. I don't think it's chert, though, since there appear to be a number of components in it. Greetings from the Lake of Constance. Roger http://www.steinkern.de/ Link to comment Share on other sites More sharing options...
gavialboy Posted August 27, 2017 Share Posted August 27, 2017 i agree with @Ludwigia it looks like a water worn pebble. Link to comment Share on other sites More sharing options...
ynot Posted August 27, 2017 Share Posted August 27, 2017 The "grain" of it suggest a metamorphic rock. The smooth surface indicates stream tumbled. The reddish brown color indicates it was buried near iron. Darwin said: " Man sprang from monkeys." Will Rogers said: " Some of them didn't spring far enough." My Fossil collection - My Mineral collection My favorite thread on TFF. Link to comment Share on other sites More sharing options...
supertramp Posted August 27, 2017 Share Posted August 27, 2017 just a guess: ultramafic rock pebble ciao Link to comment Share on other sites More sharing options...
vonfatman Posted September 4, 2017 Share Posted September 4, 2017 we have found similar rounded (and some a bit larger) which we were told by fellow rock chasers they were most likley used as 'warming stones' for soups or other liquid meals prepared in pots made of animal stomachs or other animal organs. the stones are heated in the fire and then dropped into the stew/soup to heat it. they would be removed from the food and replaced in the fire and other (hot) stones would be put into the food...over and over until the food was ready and hot. many times we have found them broken after one too many heating/cooling. ?? bob Link to comment Share on other sites More sharing options...
ynot Posted September 4, 2017 Share Posted September 4, 2017 3 minutes ago, vonfatman said: we have found similar rounded (and some a bit larger) which we were told by fellow rock chasers they were most likley used as 'warming stones' for soups or other liquid meals prepared in pots made of animal stomachs or other animal organs. the stones are heated in the fire and then dropped into the stew/soup to heat it. they would be removed from the food and replaced in the fire and other (hot) stones would be put into the food...over and over until the food was ready and hot. many times we have found them broken after one too many heating/cooling. ?? bob That is a possibility, but it would have to be found in context (like a known camp or village site) to be sure it is a cooking stone. I can pick up hundreds of rocks like that in any river gravel bar. Darwin said: " Man sprang from monkeys." Will Rogers said: " Some of them didn't spring far enough." My Fossil collection - My Mineral collection My favorite thread on TFF. Link to comment Share on other sites More sharing options...
vonfatman Posted September 4, 2017 Share Posted September 4, 2017 certainly. my mistake Link to comment Share on other sites More sharing options...
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