Pit mud aging appears as the existence of white granule or acicularcrystals on pit walls and further the emergence of green or red substances.
窖泥老化常在窖壁出现白色颗粒状或针状结晶体，出现绿色或红色物质等现象。
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The microstructure of the sample glaze layer under polarizing microscope and reflecting microscope has showed acicular hausmannite crystals on the glaze layer surface of luster glaze.
The microstructure of the sample glaze layer under polarizing microscope and reflecting microscope has showed acicular hausmannite crystals on the glaze layer sur…