| Property | Specification |
| Appearance | Kidney-shaped, beige to light brown, smooth surface |
| Color | Light brown (when raw), pale cream (when processed) |
| Size | 2-3 cm in length (whole nut) |
| Weight | 1-2 grams per nut |
| Texture | Crunchy, firm, with a smooth surface |
| Moisture Content | 5-6% (for optimum storage) |
| Fat Content | 43-46% |
| Protein Content | 18-21% |
| Carbohydrates | 30-35% |
| Fiber Content | 3-4% |
| Energy Content | 550-600 kcal per 100g |
| Ash Content | 2-3% |
| Shell | Hard, woody, toxic shell (removed in processing) |
| Shape | Curved, kidney-shaped |