Unidentified Greenish/Blue Rock?!?

[IrishMan27]

Help identifying Greenish/Blue Rocks?!

Greenish/Blue rocks found on a riverbed in Northern Albania struggling to identify, help would be appreciated! Thanks!

 

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[DDancer]

The second stone may be serpentine, the luster and smoothness. But both might be a form of fine grain granite as well. Hard to tell.

 

[Eu_citzen]

Serpentine certainly is a good guess, a knife will scratch serpentine. Test it.