I have a few pieces like that from Oregon. Personally, with pieces like this I prefer to keep it natural vs. polished. I think it’s cool to see the natural formations as they are. 

A few closer pics of the piece you pointed out. Parts of it are almost perfectly translucent, some are more like a opaque reddish colour. Would you polish this or leave it as is? https://imgur.com/VmZXYjR https://imgur.com/oSRwBhz

Yep, and that hunk up top right looks like it has some nice botryoidal pieces.

looks like some nice pretty Chalcedony and Agate


Really nice pieces! I think I would polish them, but as they are they are awesome.

Found several similar pieces, from Willow creek in Big Sur, CA