I made a really cool twistie combination last weekend. I can't remember if I applied it on Dark Ivory or Vetrofond Yellow Ice, but the effect was so pretty:
1) Make a lollipop if Lauscha Buckhorn with Silver
2) Put Lauscha Olive on one side
3) Put Raku on the other side
Melt, twist and pull like any other twistie.
Here's the bead. I applied the twistie in a random scroll pattern and then added random dots of EFF Ink Blue Transparent: