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Do these 2 additional pictures help identify?

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This is the top of the "rock"

This is the other side of the rock

related to an answer for: Can someone tell me what this is please?
asked Dec 22, 2015 by sherijd (180 points)

1 Answer

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It is a concretion. Where rocks come together with sand and mud and become one rock by solidifying together. Much like a puddingstone. The white rocks inside on the bottom appear to be Quartz.
answered Dec 22, 2015 by Weasel (55,650 points)

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