"Spooky is a great name for this, not just because of the
colour, but containing selenium this was supposed to be
an opal amber glass!! Looking at the rod it almost looks
ghost like, with what looks like a darker core, looking
from the end you can see rings.
It melted smoothly with any micro bubbles (not many)
burning away. While it melted it did have a yellow glow
but once cold I had no sign of any other colour but
white. After annealing the finished bead was closer to
Marshmallow than any other colour and no strange
reactions with the frit"