A colorful piece of rough conglomerate Koroit opal -

Here’s an interesting piece of rough conglomerate Koroit opal I mined about an hour ago. As you can see, there’s some nice color showing … but what’s inside the rest of the piece? …
Please stay tuned to find out …
I’m sorry about the awkward lighting. It’s the afternoon sunshine. And I’m tired. I just came up to the surface after a few hours of mining.
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