Lead crystal is usually safe

[Anonymous]

Lead crystal is usually safe to melt.  Beware, though, when grinding and polishing the finely ground glass that becomes airborn can be very dangerous.

For annealing schedules, I’d try these:

http://www.gafferglassusa.com/tech_annealing.asp

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Paul
FusedGlass.Org
Helios Kiln Glass Studio
PaulTarlow.com