Large rock looks like amber but isn't

[Hugosmom]

Can anyone tell me what this rock could be? I found it at a thrift shop so I don't have any location help.
Thanks!

 

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[galenrog]

Carnelian. A species of agate.

Past time for more coffee.

 

[Hugosmom]

Carnelian. A species of agate.

Past time for more coffee.

Thank you! So this one has been polished some, then?

 

[galenrog]

I doubt it. Looks river worn. I used to pick up similar rocks from the middle fork of the Willamette. Many had a similar appearance.

Past time for more coffee.

 

[Madmox]

Or chalcedony. Our agates here are chalcedony and some look like that though generally not that large but beach tumbling will polish like that too