Northstar Glassworks
Ninja
Opaque blue-based black; work in a heavily oxidizing flame to prevent graying.
Outcomes
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Rich opaque blue-blackWork in a heavily oxidizing flame to maintain the blue-based black color.
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Grayed-out black (under-oxidized)Insufficient oxidation causes the color to gray out — an undesirable result.
Working notes
- Work in a heavily oxidizing flame — neutral or reducing flame will cause graying.