What kind of mineral is this ?

[Salvatore]

Would somebody help me to identify these two different minerals or rocks.The first pictures of this piece has a silver grey color to it and very dence in weight in comparison to overall size.In different light sources it has metallic look,almost like silver in color.The second piece is very hard material and has a metallic like surface in sunlight and the color is like a brownish grey when not put in brighter light. When someone has a chance to identify it would be appreciated.

 

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[Rific]

The first one looks like some type of mica schist and the second one maybe a greenschist? Not too sure...someone else will chime in tho

 

[Salvatore]

This a picture of the second piece, but this is the back of it.