found this pretty rock

[Thunderbolt]

Just wanted to share a pic of this pretty rock I found...and since I'm no expert on what rocks are made of, any ideas on what this one's composition might be? Ty

 

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[KimB]

Hey that's cool looking. I'm no expert..faaaarrrr from it but your find kinda looks like bone.

 

[Ckgene]

I am seeing it having a seal shape, seal the animal, even the whiskers