Corona is a vibrant, translucent yellow color. Heat it up slowly in the back of the flame to avoid overheating.
Recommended Garage/Anneal temp: 1065°F
Abnormal Quality Description: Rods that have fallen below first quality and have been deemed Abnormal. This is high-quality, stone-free glass, but the rods are imperfect. They may be short, slightly thick or thin, have a bit of air or other odd imperfections that affect their appearance.