Northstar Glassworks
Rust
Earthy red borosilicate that kiln-strikes to a deeper red; work in a neutral to oxidizing flame.
Outcomes
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Earthy rust red as-workedWork in a neutral to oxidizing flame to maintain the earthy red tone without striking.
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Deeper, richer red after kiln strikeKiln-strike to develop a deeper red color. Flame chemistry should remain neutral to oxidizing throughout.