Heavy Blue Stardust First Quality Simax Encased WonderTube

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.