GG Hybrid Opaque Auto Spinner

25mm Diameter bucket
2.5mm thick walls
5mm thick bottom (3mm opaque, 2mm clear)

Clear quartz retains heat better than opaque quartz, but opaque quartz offers a larger surface area inside the banger. The combination of these two creates a banger that holds marginally more heat than a standard opaque banger but still has all the benefits of one.