Date of Discovery: 1789
Discoverer: Martin Klaproth
Name Origin: zircon (mineral)
Uses: nuclear applications
Obtained From: zircon, baddeleyite

 
Atomic Number: 40
Atomic Mass: 91.224 amu
Melting Point: 1852.0 °C (2125.15 °K, 3365.6 °F)
Boiling Point: 4377.0 °C (4650.15 °K, 7910.6 °F)
Crystal Structure: Hexagonal
Density @ 293 K: 6.49 g/cm3
Color: Grayish

 
Isotope
Zr-86
Zr-88
Zr-89
Zr-90
Zr-91
Zr-92
Zr-93
Zr-94
Zr-95
Zr-96
Zr-97
Half Life
16.5 hours
83.4 days
3.27 days
Stable
Stable
Stable
1530000.0 years
Stable
64.02 days
Stable
16.9 hours