| Property | Specification |
| Shape | Oval or slightly elongated |
| Size | 10 to 15 mm in length |
| Color | Greenish or light brown (unroasted); dark brown to black (roasted) |
| Weight | 0.1 to 0.2 g per bean |
| Texture | Smooth surface; hard when raw, brittle when roasted |
| Moisture Content | 10% to 12% |
| Fat Content | 10% to 15% |
| Taste | Rich, aromatic; flavor varies by origin and roast level |
| Odor | Pleasant, aromatic; stronger after roasting |