 |
| |||
| limonite | |||
| hematite brown; limonite (min.) | |||
| bog iron ore; bog ore; brown iron ore; meadow ore; mountain brown ore; pipe ore (in stockförmiger Lagerstätte); stilpnosiderite; valley brown ore | |||
| brown haematite | |||
| limonite (iron ore, a heavy concrete aggregate) | |||
| brown hematite | |||
|
Limonit : 7 phrases, 2 sujets |
| Exploitation minière | 4 |
| Physique nucléaire | 3 |