| Pegmatite whole rock (N = 22) | Feldspars (N = 12) | Micas (N = 14) | |||
Range (%) | Average (%) | Range (%) | Average (%) | Range (%) | Average (%) | |
SiO2 | 69.06 - 81.12 | 73.91 | 66.38 - 73.42 | 70.79 | 59.7 - 76.79 | 71.72 |
TiO2 | 0 - 0.36 | 0.07 | 0 - 0.01 | 0.00 | 0.05 - 0.13 | 0.10 |
Al2O3 | 10.35 - 20.19 | 13.93 | 12.71 - 21.27 | 16.42 | 11.05 - 25.58 | 15.33 |
Fe2O3 | 0.06 - 3.65 | 1.00 | 0.13 - 0.43 | 0.25 | 1.7 - 3.58 | 2.11 |
MnO | 0 - 0.09 | 0.04 | 0 - 0.04 | 0.01 | 0.06 - 0.1 | 0.08 |
MgO | 0.02 - 1.87 | 0.35 | 0.01 - 0.03 | 0.02 | 0.15 - 0.53 | 0.42 |
CaO | 0.04 - 1.71 | 0.57 | 0.04 - 0.91 | 0.24 | 0.06 - 0.7 | 0.53 |
Na2O | 0.74 - 8.97 | 4.3 | 2.77 - 10.21 | 5.77 | 0.51 - 3.53 | 2.82 |
K2O | 0.69 - 7.87 | 4.77 | 0.66 - 11.33 | 5.30 | 4.72 - 8.87 | 5.66 |
P2O5 | 0 - 0.34 | 0.12 | 0.03 - 0.23 | 0.14 | 0.07 - 0.21 | 0.10 |