My daughter Ruby says bit-some a lot at the minute, a bit-some Peppa Pig, a bit-some cuppee tea.....here are my bit-some thoughts on Pulsar.
Pulsar has a reputation for pitting. I have tested glass from two different batches and found that both did pit when I worked with them.
I tend to work fairly hot and it seems that Pulsar cannot stand up to prolonged heating in an intense flame without it boiling and bubbling up. This is what causes the pitting and tiny holes on the surface of some of my beads. To get the best from this beautiful transparent blue glass I found that I needed to melt Pulsar more slowly, turning my torch down a bit and working in the cooler tip of the flame. I think that Pulsar looks beautiful with blue highlight mica.
Pulsar also seems to be sensitive to a slightly reducing (propane rich) flame. This little spacer bead has a rusty/terracotta surface discoloration. I normally associate this sort of reaction to the chemistry of the flame to opaque rather than transparent colours.
Mostly though I think that Pulsar is made to be etched - it puts me in mind of tumbled seaglass and the ground surface of antique cobalt glass apothecary jar stoppers.
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