| EI-A | EI-B | EI-C | EI-D | |
| Calcium |
Low (6.0 %) |
Medium (10.5 %) |
Low (8.4%) |
Low (4.0%) |
| Chromium |
Low (90.5 ppm) |
High (330.7 ppm) |
High (368.2 ppm) |
Low (131.9 ppm) |
| Iron |
Low (3.75 %) |
High (4.75 %) |
Medium (4.33%) |
High (4.59 %) |
| Rubidium |
Medium (90.1 ppm) |
Low (37.4 ppm) |
Medium (94.2 ppm) |
High (155.9 ppm) |
| Rare Earths (combined) |
Medium | Low | Low | High |