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Trad. 鎂粉
- magnesium powder (used in pyrotechnics etc)
- (sports) gym chalk (magnesium carbonate), used as a drying agent on the hands of gymnasts, weight lifters etc
Trad. 鐵鎂質
- mafic rock (containing magnesium and iron, so comparatively heavy, making oceanic plates)
Trad. 矽鎂層
- sima (geology)
- silicon and magnesium layer in earth's crust
