Grain Size and Shape: Well-milled rice should be long, slender, and uniformly shaped. Broken or irregular grains are less desirable.
Purity: The presence of foreign materials, such as stones, dust, or other grains, should be minimal.
Color and Aroma: Good quality rice has a clean, white appearance with a pleasant, mild aroma.
Grain Texture: The texture should be smooth and not overly rough or coarse.