- Symbol: Ir
- Atomic nr. 77
- Melting point 2446 degrees Celcius
- Iridium is the most corrosion-resistant element on the Periodic Table of Element
- Iridium is the most dense element on the Periodic Table of Elements
- Because it is so dense and brittle, it is hard to machine, form or work by unless it is heated to extreme temperatures. On earth we can not do this well
- Iridium has the double weight per cubic cm of lead
- Iridium is not affected by acids, bases, or other strong chemicals, thus not solvable like gold in a mix of hydrochloric acid and nitric acid
- Iridium is family from platinum. And discovered as a residue when solving platinum in acids.
- It is chemically found and registered on earth in 1803
- The name iridium comes from the Latin word iris, which means rainbow. Though the metal itself isn’t rainbow colored, it is called this because of its multi-colored compounds
- Iridium is one of the densest and rarest of Earth’s natural elements. It is so dense that it mainly exists in the Earth’s core, rather than crust
- Asteroids are the main cause of Iridium being on the earth surface. The same asteroid that extinguished dinosaurs contained loads of iridium
- The universe has many more possible iridium applications than we have on earth.
- Spaceships from anywhere in the universe can be possibly build by Iridium
