Need help identifying spotted rocks

[Cassidyrose]

I found these today along a river in Pennsylvania very close to New Jersey and can't figure out what they are, they were pretty smooth and rounded when I found them and the little black specks sparkle when light hits them. Any help identifying them would be appreciated!☺️

 

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[Kray Gelder]

It looks like gabbro, a slowly cooled, intrusive igneous rock, such as magma inside of a volcano, or in newly formed ocean crust. Quite common, but a cool looking rock none the less.

 

[Cassidyrose]

Thank you!!