Fig. 2 | Scientific Reports

Fig. 2

From: Deciphering the composition and microstructure of Jin-Yuan period oil-spot glazes from the archaeological site of Jining Lu of China

Fig. 2

Typical specimens of oil-spot black-glazed porcelain unearthed at the archaeological site of Jining Lu. (a) Macroscopic view of specimen YD-5. (b) Magnified view (× 150) of silver oil-spot patterns on YD-5 glaze surface. (c) Cross-sectional interface of YD-5 showing: Glaze layer thickness: 470 μm; Spherical bubbles (30-240 μm diameter); Crystal-rich inclusions; Grayish-yellow body. (d) Macroscopic view of specimen HYD-1. (e) Magnified view (× 150) of red oil-spot patterns on HYD-1 glaze surface with sporadic silver crystalline deposits (arrowed). (f) Cross-sectional interface of HYD-1 showing:Glaze layer thickness: 573 μm; Spherical bubbles (15–40 μm diameter); Crystalline phase concentration; Off-white body.

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