| NOM | substance | columbita, niobita | a black mineral that is an ore of niobium and tantalum |
|---|
| Sentit | A black mineral that is an ore of niobium and tantalum. | |
|---|---|---|
| Sinònim | niobita | |
| General | mineral | Solid homogeneous inorganic substances occurring in nature having a definite chemical composition |
| Substàncias | Nb, niobi, número atòmic 41 | A soft grey ductile metallic element used in alloys |
| número atòmic 73, Ta, tàntal | A hard grey lustrous metallic element that is highly resistant to corrosion | |
| Anglès | niobite, columbite | |
| Espanyol | columbita, niobite | |
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