| |||
cockle; taltalite | |||
iochroite | |||
schorl | |||
tourmalinite; verdelite | |||
xeuxite | |||
tourmaline | |||
Brazilian chrysolite; Brazilian ruby; peridot | |||
| |||
Brazilian ruby |
电 气 石 : 53 phrases in 10 subjects |
Agriculture | 1 |
Architecture | 1 |
Automobiles | 1 |
Construction | 1 |
Earth sciences | 1 |
General | 9 |
Geology | 1 |
Oil / petroleum | 11 |
Technology | 26 |
Wind Energy | 1 |