Rock id please

[PennyG]

I found this on the beach yesterday. I'm not sure if I should leave it as is or crack that baby open. Thoughts?

 

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[old digger]

Interesting! From what I can see, I do not think that you will find any thing on the inside other than the darker outside material. I looks like your rock has some weathered quartz on the outside, but there may be some on the inside. But I doubt it.

 

[PennyG]

Here are pics of the other sides.

 

[PennyG]

Interesting! From what I can see, I do not think that you will find any thing on the inside other than the darker outside material. I looks like your rock has some weathered quartz on the outside, but there may be some on the inside. But I doubt it.

Thank you [emoji4]