 |
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| 电气石; 高级淡色貂皮 | |||
| ★ 电气石; 电英岩 | |||
| 碧硒 | |||
| ★ 碧玺 | |||
| Angielski tezaurus | |||
| |||
| A complex crystalline silicate containing aluminum, boron, and other elements. | |||
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tourmaline : 43 do fraz, 7 tematyki |
| Chemia | 1 |
| Geologia | 1 |
| Jubilerstwo | 19 |
| Nauka o ziemi | 2 |
| Odzież | 1 |
| Technika i technologia | 16 |
| Włókiennictwo | 3 |