Zirconium is a chemical element with the symbol Zr and it has an atomic number of 40. The name of zirconium is taken from the mineral zircon. Its atomic mass is 91.224.
Things you might not know about Zirconium:
- The most common oxide is zirconium dioxide, also referred to as zirconia. This colorless solid has exceptional fracture toughness and chemical resistance, especially in its cubic form and a common use is as a common diamond substitute.
- Zirconium alloys are used in space vehicle parts for their resistance to heat, an important quality given the extreme heat associated with atmospheric reentry.
- Zirconium carbonate was used in lotions to treat poison ivy, but this was discontinued because it occasionally caused bad skin reactions.
See GC2XAY2 - Hydrogen, for an explanation about this series of caches.
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