| Property | Specification |
| Shape | Ellipsoidal or oval |
| Color | Dark brown to black |
| Size | 2–5 cm in length, 1–3 cm in diameter |
| Surface Texture | Smooth to slightly rough |
| Weight (per nut) | 8–20 grams |
| Moisture Content | 5–8% (ideal for storage) |
| Hardness | Firm and solid |
| Odor | Mild, earthy, or nutty aroma |
| Taste | Bitter when raw |
| Shell | Hard, thin, and brittle |
| Kernel | Creamy-white to yellow, rich in fat |
| Fat Content | High, approximately 45–55% |