I truely thought I was finished with stones, for a while at least. But this idea was in my head and just begged to be executed. So I finally gave in:
Oh, and about the piece: it is 12" x 9" done in graphite (pencil) on a prepared board with a 1/2" cradle, no frame or glass needed. I have not decided whether to sell it. And here is a closeup of the geode, in reality this detail measures about 2.5 inches square. I love the interior crystals.