opaline

Pertaining to or like opal; also, like some property of the opal; specifically, having an iridescence like that of the opal; bluish-white, reflecting prismatic hues, as the wings of certain insects.

A semi-translucent glass, whitened by the addition of phosphate of lime, peroxid of tin, or other ingredients.

An opalina.

Of, pertaining to, or like, opal in appearance; having changeable colors like those of the opal.

An opaline variety of yellow chalcedony.