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adlerstein; chileite; fullonite; gothite; pribramite; rubinglimmer | |||
geothite | |||
goethite (Fe2O3•H2O); needle ironstone (Fe2O3•H2O) | |||
goethite | |||
needle ironstone; ruby mica | |||
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ruby mica |
针铁矿 : 21 phrases in 5 subjects |
Explosives and Explosive Ordnance Disposal | 1 |
General | 5 |
Metallurgy | 5 |
Oil / petroleum | 4 |
Technology | 6 |