REACTIVE COPPER OPAL by OCEANSIDE COMPATIBLE & SYSTEM 96
Oceanside Compatible & System 96 Reactive Copper Opal #800S-F.
This seemingly neutral (glass actually appears to be White before firing) Fusers' Reserve glass contains Copper. As you remember, the Red Reactive glasses contain Tin. Tin + Copper when fused together often create a deep Burgundy Red colour where the two meet.
3mm thickness.