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RE: What is this rock?

in #rockhound7 years ago

Thanks for the reply! Very nice pics, also. I forgot to mention in the post that the outside layer is agate. For a better description of the stuff on the inside, it’s a mass of little balls, and the ones that are broken in half are what look like the crinoid stems.

I have a saw to cut this in half for a better look, but I want to gain a better understanding of it in case cutting it up would devalue it.

Thanks again :)

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Are you saying the inside is made up of balls rather than disks?

085F534D-2A08-4824-91D4-2C6D4F693042.jpeg

Here’s a better pic of the insides. The wet part in the upper corner is where I just tested it with vinegar.