Name:
Zirconium
Symbol:
Zr
Atomic Number:
40
Atomic Mass:
91.22
Atomic Volume:
13.97 cc/mol
Discovered By:
Klaproth
Discovery Date:
1789
Origin of Name:
Zirconium - (Arabic) zargun (gold color, from the gemstone zircon)
Toxicity:
Powdered zirconium is not toxic. Compounds are almost nontoxic.
Summary:
Zirconium can absorb large amounts of oxygen from the air. Zirconium oxide (ZrO
2
, zirconia) in its crystalline form is used as a gem material.
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