Discovered
1801Density
8.6 g/cm3Melts
2471 °C
- 4480 °F
- 2744 °K
Boils
4743 °C
- 8569 °F
- 5016 °K
Contributed by collector no. 4
Vanadium group: olive-green tarnished Vanadium chunks, Niobium chunks, and Tantalum chunks
Contributed by collector no. 3
Contributed by collector no. 4
One small, two medium, and one large sample of Niobium metal chunks. The large chunk shows some oxidation.
Contributed by collector no. 3
Roughly 3.5 cm diameter chunk of Niobium metal, shaped somewhere between disc and a sphere.
Contributed by the site creator
Beautiful small crystal of Niobium metal. Niobium is a transition metal and should not be confused with the rare-earth metal Neodymium !
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