| moisture | CoalAttributePercentage | The moisture content of the coal product. | Moisture | | 0-1 | |
| ash | CoalAttributePercentage | The ash content of the coal product. | Ash content | | 0-1 | |
| sulfur | CoalAttributePercentage | The sulfur/sulphur content of the coal product. | Sulphur content | | 0-1 | |
| SO2 | CoalAttributePercentage | The sulfur/sulphur dioxide content of the coal product. | Sulphur dioxide | | 0-1 | |
| volatile | CoalAttributePercentage | The volatile content of the coal product. | Volatile content | | 0-1 | |
| BTUperLB | CoalAttributeDecimal | The number of British Thermal Units per Pound of the coal product. | BTU per LB | | 0-1 | |
| topSize | CoalAttributeDecimal | The smallest sieve opening that will result in less than 5% of a sample of the coal
product remaining.
| Pieces maximum size | | 0-1 | |
| finesPassingScreen | CoalAttributeDecimal | Sieve size to filter small fractions. | Sieve size to filter small fractions | | 0-1 | |
| grindability | CoalAttributeDecimal | The Hardgrove Grindability Index value of the coal to be delivered. | Grindability | | 0-1 | |
| ashFusionTemperature | CoalAttributeDecimal | The temperature at which the ash form of the coal product fuses completely in accordance
with the ASTM International D1857 Standard Test Methodology.
| Ash fusion temperature | | 0-1 | |
| initialDeformation | CoalAttributeDecimal | The temperature at which an ash cone shows evidence of deformation. | Initial deformation temperature | | 0-1 | |
| softeningHeightWidth | CoalAttributeDecimal | The temperature at which the height of an ash cone equals its width. (Softening temperature). | Softening temperature | | 0-1 | |
| softeningHeightHalfWidth | CoalAttributeDecimal | The temperature at which the height of an ash cone equals half its width. (Hemisphere
temperature).
| Hemisphere temperature | | 0-1 | |
| fluid | CoalAttributeDecimal | The temperature at which the ash cone flattens. | Fluid temperature | | 0-1 | |