Unidentified rock

[lisalis1221]

 

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[old digger]

Welcome to tnet! You may not get too much help without more information as to a general locality. Maybe some better photos also?

 

[Noah_D]

I can't tell much from the photos so I am just throwing out a wild guess that it might be some kind of Mica.

 

[ANTIQUARIAN]

Welcome to Tnet from Toronto lisalis!
Maybe consider re-posting your question here... Geological Forums

Dave

 

[Colonel Corncob]

Almost definitely muscovite aka mica

 

[NellsCollect]

You didn't happen to find that in Maine, did you?