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Erbium Oxide

Alternate Names: Lanthanide

Oxide Analysis Formula
Er2O3 100.00% 1.00
Oxide Weight 382.50
Formula Weight 382.50


This is a lanthanide rare earth oxide, it is available as a raw powder.
It is used in ceramics as a colorant and can have an opacifying effect.

For information on making vibrant colors using lanthanides visit the page by David Pier linked to this record.

Quote from David Pier: "The oxide is a light baby pink color. It is the most expensive, the densest, and the weakest of these three colorants, but the only way you will ever get a transparent pink. Erbium oxide's density means it is absolutely essential that you use CMC gum. Erbium oxide gives its best pink color at concentrations of 8-10%, but it is difficult to get more than 8% to fully dissolve in the melt. It has given a more lavender color in the presence of iron traces in reduction."

Related Information


New glaze colors using lanthanides
Typecodes Colorant
Metallic based materials that impart fired color to glazes and bodies.
By Tony Hansen
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