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The study aims to investigate the formation mechanisms of color, opacifying, and cracks in Guan ware celadon glazes.

March 28, 2026npj Heritage ScienceOpen Access

The mechanisms of color, opacifying, and cracks in celadon glazes from the Southern Song Guan Kiln

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The study aims to investigate the formation mechanisms of color, opacifying, and cracks in Guan ware celadon glazes.
Applied multi-technique analysis to chemical composition and physical structure.
Examined iron occurrence forms and microscopic morphology.
Analyzed thermal properties to understand glaze behavior.
Glazes were influenced by chemical coloring related to iron and specific oxides.
Opacifying was linked to light scattering from crystals and bubbles in the glaze.
Cracks were primarily caused by a higher coefficient of thermal expansion related to glaze composition.

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Reveals the mechanisms of color formation and cracks in celadon glazes, highlighting implications for pottery preservation.

Ren et al. (2026) studied this question.

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