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The Top 5 Heaviest Elements on Earth
| Element | Density | Year Discovered | Discovered by | Cost per troy ounce | |
|---|---|---|---|---|---|
| 1 | Osmium | 22.59 g/cm3@20c | 1804 | Smithson Tennant | $400.00 |
| 2 | Iridium | 22.56 g/cm3@20c | 1804 | Smithson Tennant | $500.00 |
| 3 | Platinum | 21.45 g/cm3@20c | 1735 | Charles Wood | $870.00 |
| 4 | Rhenium | 21.01 g/cm3@20c | 1925 | Walter K. Noddack | $1150.00 |
| 5 | Neptunium | 20.47 g/cm3@20c | 1940 | Edwin M. McMillan and P. H. Abelson | $9,000 |
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Sources: Various.
List Notes: Price is as of June, 2005
Sources: Various.
List Notes: Price is as of June, 2005
