| Specification | Details |
| Appearance | Dark brown to black resinous solid |
| Texture | Brittle, irregular chunks or granules |
| Odor | Strong, aromatic, earthy, and slightly smoky |
| Solubility | Insoluble in water, soluble in alcohol and oils |
| Moisture Content | 4-7% |
| Ash Content | 5-10% |
| Bulk Density | 0.8 - 1.0 g/cm³ |
| pH Value | 4.5 - 6.0 |
| Taste | Bitter, earthy with a slight smoky note |
| Specific Gravity | 1.1 - 1.3 |