I made a similar swirly marble with Heidi's tourmaline pink and Moretti VPA. I can now report that these two glasses are quite compatible, since this marble made it all the way through annealing and cooling. It's a pretty thing. Though the swirl is not as regular as the green one, there are nice depths of purple and pink inside. Because it takes me a while to make a marble, the pink glass got well and truly cooked and struck to a deep saturated hue.
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