| 元素 | 含量，% |
| Fe | 60.909 |
| Ca | 14.924 |
| S | 9.511 |
| Cl | 7.765 |
| Cr | 2.442 |
| Ba | 1.511 |
| Pb | 1.201 |
| Si | 0.819 |
| Sr | 0.289 |
| Cu | 0.169 |
| Zn | 0.163 |
| Mn | 0.162 |