Simax encased Heavy Blue Stardust Tubing
This Simax encased WonderTubing is an exclusive product by Northstar Glassworks. Heavy Blue Stardust is dark aventurine with glittery dichro-like sparkles. Use caution when garaging in your kiln for long, hot cycles. Although this color is highly stable in implosions and encasements, test in your own application. Limited supply available.