"Opalescing" is a word in ENGLISH

A transparent or translucent variety of common feldspar, or orthoclase, which often shows pearly opalescent reflections; -- called by lapidaries …

n. opalescence, luminescence, phosphorescence. v. /AG-/ to be luminous. ANDAS [f. Sp.], n. a frame on which a religious image …

A variety of quartz or chalcedony, exhibiting opalescent reflections from within, like the eye of a cat. The name is …

Having a wavy, floating light; opalescent; chatoyant.

A white, amorphous, tasteless substance resembling starch, soluble in water to an opalescent fluid. It is found abundantly in the …

To give forth a play of colors, like the opal.

of Opalesce

A reflection of a milky or pearly light from the interior of a mineral, as in the moonstone; the state …

Reflecting a milky or pearly light from the interior; having an opaline play of colors.

A variety of opal not possessing opalescence.