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Please help identify this rock.


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Am new to this forum and hoping you can help me, please.  My son found this rock behind our garage. 

Am not sure if this rock was formed at our home in Maine or was laid down from quarried rock as a base for construction on our property. 


There are numerous quarries near my home where the rock may have been taken from.

I live in the Downeast part of Maine, there was a glacier here , as well as volcanic eruptions. 

Searched my rock identification book but found nothing like this. 


Searched the internet and found similar looking rocks that were from Canada and England.  They were identified as Chrysanthemum Stone, Fossilized Coral, Fossiliferous Coral, Carboniferous Tabulate Coral. 


Coral seemed to be the repeating identification, although each identification varied slightly from the others because there were different samples on the internet.  Thank you for your time and help with this identification.      



Rock 3 Wide Shot.jpeg

Rock 2 Wide Shot.jpeg

Rock 1 Wide Shot.jpeg

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This is a geologic sample, and not a fossil.


Maybe something like Cumberlandite?

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Hello and welcome to the forum from New York! I agree that object is not a fossil but an interesting rock.



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It is an igneous rock, a porphyry, with light crystals, possibly feldspar. 

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