REALLY wonderful tut!
Here's some of my first attempts. The first set plays with color, but doesn't otherwise alter the process:
This one played with color and process--some parts I like, others I want to work on:
This one played with color and placement; it's carnelian with a faux-boro twistie. I think the silver interfered with the faux-boro reaction--I got some, but mostly too muddy colors--so I want to do more experiments.