Natural Abundance
| Abundance | ppb by weight | ppb by atoms |
| Universe | 50000 | 2000 |
| Sun | 60000 | 3000 |
| Rocks | 82000000 | 63000000 |
| Sea Water | 5 | 15 |
| Stream | 400 | 1.1 |
| Human | 900 | 210 |
| Meteorite | 9300000 | 6700000 |
Aluminum is mostly found in rocks and meteorites. There is a lot of Aluminum around the world.