Pacific Northwest beach rock. Sort of green with white bits, very hard : r/whatsthisrock

Can you identify my rock or mineral?

Photography Guide to Pacific Northwest Coast and Beaches — Lucas Cometto

What is Mariposite? Is it a rock? Is it a mineral?

Rugged Beauty of the Pacific Northwest Coast

La Jolla, CA tidepools. is this rock, petrified wood or : r/whatsthisrock

Photography Guide to Pacific Northwest Coast and Beaches — Lucas Cometto

Where to find nice beach rocks in Washington state. A how to guide for beach combing and hunting for agates and other nice …

Rocks - Pacific NW Beachcombing

Common Beach Stone Identification (Including Dolomite, Quartz, Serpentine, Syenite, and More) - Owlcation

Rocks - Pacific NW Beachcombing

Can you identify my rock or mineral?

Common Beach Stone Identification (Including Dolomite, Quartz, Serpentine, Syenite, and More) - Owlcation