nigella seed
| Shape | Small, oblong, slightly curved | |
| Size | Approximately 2-3 mm in length | |
| Color | Dark black or dark brown | |
| Texture | Smooth and glossy | |
| Smell | Strong, pungent aroma | |
| Taste | Bitter and slightly peppery | |
| Shelf life | Up to 2 years when stored properly in a cool, dry place | |