Table 2. Average major compositions of four color-varieties of spodumenea.
| Sample | Al2O3 | SiO2 | Cl | MnO | K2O | Fe2O3 | CaO | Total | MnO/Fe2O3 |
|---|---|---|---|---|---|---|---|---|---|
| Avg. of W | 27.44 | 64.61 | 0.01 | 0.01 | 0.00 | 0.02 | 0.00 | 92.10 | 0.50 |
| Avg. of G | 26.09 | 64.66 | 0.00 | 0.11 | 0.00 | 1.04 | 0.01 | 91.92 | 0.11 |
| Avg. of Y | 26.84 | 64.69 | 0.01 | 0.14 | 0.01 | 0.50 | 0.00 | 92.20 | 0.28 |
| Avg. of P | 26.91 | 64.59 | 0.00 | 0.15 | 0.00 | 0.03 | 0.01 | 91.71 | 5.00 |
Standard deviation (±1σ); the number of tests n = 3.