Here's my first tries: I used Lauscha opaque violet (SNO 520) and the dark teal/steel blue.
My colour stringers were probably too thin in comparison (on the violet anyway) and I think I want to slow down the heating... I basically blasted the stringers in - you could see stretch lines forming very quickly. I took a photo of both sides of the violet ones because it really got swallowed up in some places! It's interesting even if not quite as intended