What am I looking at?

[wozgar]

I found this rock at a second hand store.
Can anyone tell me what I am looking at?


Thank you,

 

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[taz42o]

Maybe a mineral deposite, limestone?
Like a stalagmite.
There is a rocks and minerals section here you might want to post there also.

 

[wozgar]

I was thinking that it was some kind of a cave formation. Thank you

 

[digger460]

Cool piece