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.
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.