| Property |
Tin (Sn) |
Columbite |
| Appearance |
Silvery-white, soft metal |
Black or brownish-black, submetallic |
| Atomic Number |
50 |
– (Columbite is a mineral, not an element) |
| Density |
7.31 g/cm³ |
5.2–7.3 g/cm³ |
| Melting Point |
231.93 °C |
Not applicable (depends on composition) |
| Boiling Point |
2602 °C |
Not applicable |
| Crystal System |
Tetragonal |
Orthorhombic |
| Hardness (Mohs scale) |
1.5 |
5–6 |
| Luster |
Metallic |
Submetallic to dull |
| Tenacity |
Malleable |
Brittle |
| Conductivity |
Good conductor of electricity |
Poor conductor |
| Main Elements Present |
Tin (Sn) |
Iron (Fe), Manganese (Mn), Niobium (Nb), Tantalum (Ta) |
| Common Uses |
Soldering, plating, alloys |
Source of niobium and tantalum |
