like this one
The Wizard IV glass grinder is the most powerful grinder in its class
If fired without this hold
No color shift upon firing
It is more likely to have a black hue when fired over warm colors
BE - 0116 Turquoise Blue Opal Sheet mosaic like this oneContains Copper May React With Selenium, Sulfur, Reactive (000009, 001009, 001019) See the Bullseye Reactive Potential charts for more information Cold Characteristics Uniform color. Working Notes A copper glass. May have dark color reaction at interface with cadmium selenium or sulfur glasses including 000125, 000120, 000124, 001120, 001125, 001122, 001137, 001437, 000137. During processes that require greater heatwork, such as pattern or flow bar