Color | Varies (e.g., black, red, white) |
Shape | Oval or kidney-shaped |
Size | 5-20 mm in length |
Texture | Smooth, with a hard outer shell |
Weight | Typically 0.2-0.4 grams per bean |
Surface | Often glossy or matte |
Internal Structure | Contains a cotyledon and embryo |
Taste | Mild, nutty flavor |