Solid rod implosion marble. This one measures in at 1.42 inches in diameter. This has my disc cluster milli and a second version of it on the outside cluster. It’s backed with purple amethyst. This was out of a series of new marbles where I was experimenting with a new technique I’m practicing. Trapped a small air bubble on top of a milli. This one is a little cheaper as a result but still a fine gem for anyone’s collection. Free marble 3D stand included and free shipping offered on my site.