Major constituent | Wt., % | Trace constituent | Conc., ppm |
SiO2 Al2O3* Fe2O3 CaO MgO Na2O K2O MnO ZnO H2O(humidity) L O I** Total | 13.50 27.00 12.30 6.53 4.66 1.04 1.55 8.40 3.40 1.81 21.30 101.49 | åREE Cu Co Ni U
| 6200 1900 1000 730 400
|