| 成分 | 成分1 | 成分2 |
| (SiO2) | −0.175 | 0.088 |
| (Na2O) | 0.063 | −0.288 |
| (K2O) | 0.136 | −0.134 |
| (CaO) | 0.138 | −0.226 |
| (MgO) | 0.124 | 0.189 |
| (Al2O3) | 0.17 | −0.02 |
| (Fe2O3) | 0.152 | 0.096 |
| (CuO) | 0.079 | −0.025 |
| (PbO) | 0.061 | −0.106 |
| (BaO) | 0.066 | 0.152 |