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| beryl; chlorosapphire; davidsonite | |||
| beryl (Be3Al2(SiO3)6) | |||
| aquamarine | |||
| beryl concentrate | |||
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| beryl | |||
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| beryl | |||
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绿柱石 : 36 phrases in 8 subjects |
| Agriculture | 1 |
| Architecture | 1 |
| Construction | 1 |
| Desert science | 2 |
| General | 14 |
| Metallurgy | 1 |
| Oil / petroleum | 4 |
| Technology | 12 |
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