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Hickory Nut husk?


LEdwards

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I think this is a petrified Hickory nut husk. I found it in the soil about 3 inches down in St. Mary’s County, Maryland. The land was old farm land until about 20 years ago, however our 7 acres was all woods. Is there anyway of saying how old it is?

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Apply a flame. If it chars, then it would likely be modern. 

...How to Philosophize with a Hammer

 

 

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Flame test is probably the best bet here.

 

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Interesting. It does have a mineralized look to it. You might try tapping it with something like a spoon. The pitch of the sound it makes can be used to determine how hard it is.

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Sounds like you are tapping 2 pebbles together. My fingernail or tooth does not scratch it but galvanized steel will. 

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Galvanized steel is typically not hardened. I'm afraid this is probably not a fossil. Nuts can be incredibly hard. Being buried for some time, it may have absorbed mineral rich ground water making it look more like a fossil and at the same time imparting a degree of flame resistance. A tap test is not always the best on a small nutshell. 

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