Erbium oxide fluorescent powder additive

Erbium oxide, is a pink powder that readily absorbs moisture and carbon dioxide. It transforms into hexagonal crystals when heated to 300 ° C. Not receptive. Slightly soluble in inorganic acids, insoluble in water. Relative density 8.64. It's stimulating.  

Erbium oxide, pink powder with the chemical formula Er2O3. It readily absorbs moisture and carbon dioxide. Slightly soluble in inorganic acids, insoluble in water.