3 southern Oregon beach rocks

[Snorlax]

Hey all, went to the beach in the town of Port Orford, and came across these 3 rocks, i know two are agates and maybe one a nephrite? Let me know your thoughts!

 

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[Snorlax]

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Here’s a better image of the other stone.
Does it look like a darker nephrite stone to anyone? It has green hues when holding in hand.