Northstar Glassworks
Canary
Bright, intense opaque yellow; work slowly in a cool oxidizing flame to prevent boiling.
Outcomes
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bright intense opaque yellowWork slowly in a cool oxidizing flame to prevent boiling. See heat-sensitive color guidelines.
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boiled/degraded surface (overheated)Working too quickly or in too hot a flame causes the glass to boil and the surface to degrade — keep the flame cool and move slowly.
Working notes
Preheat / heat slowly
- Work slowly in a cool oxidizing flame — overheating causes boiling
- Classified as heat-sensitive; apply extra care during heating