Uknown type of crystal?

[Argiris]

Just found it today! Any ideas?

 

Amazon Forum Fav 👍

Cry Of The Eagle: History And Legends Of The Cherokee Indians And Their Buried Treasure - Grab it through Amazon!

[pepperj]

Could be an agate.

 

[RickDDE]

Just found it today! Any ideas?

I'm leaning towards petrified wood. It will crystalize over time.