La
Lanthanum
Z 57 138.905 g/molLanthanide
Group
3
Period
6
Block
f
Occurrence
Dying low-mass stars 62%Merging neutron stars 38%Geochemical class: Lithophile
Biological Role
Microbes: Essential
History
1839 (discovery)
Carl Gustaf Mosander
1923 (isolation)
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Named By
Carl Gustaf Mosander
Latin Name
Lanthanum
Abundance
Solar System< 0.0001%0.0017 ppm
x
Sun< 0.0001%0.00132 ppm
x
Meteorites< 0.0001%0.248 ppm
x
Earth's crust0.002%20 ppm
x
Oceans< 0.0001%< 0.0001 ppm
x
Humans0.000137%1.37 ppm
x