Difference between Opalescent and Nacreous

OPALESCENT vs NACREOUS: ADJECTIVE

Having a play of lustrous rainbow colors
Reflecting a milky or pearly light from the interior; having an opaline play of colors.
Exhibiting a milky iridescence like that of an opal.
Having a play of lustrous rainbow-like colors

Producing or possessing nacre, as shells which have a certain luster or lustrous layer on their inner surface.
Consisting of, resembling, or pertaining to nacre or mother-of-pearl: as, a nacreous luster; a nacreous layer.
In bacteriology, applied to colonies which are of a translucent, grayish-white color with a pearly luster.

Luminous, Carnelian, Lustrous, Aquamarine, Aventurine, Silvery, Dichroic, Turquoise, Hobnail, Translucent, Bright, Nacreous, Pearlescent, Opaline, Iridescent

Polychromatic, Scaleless, Nubbly, Amoebic, Luminous, Blueish, Metallic, Translucent, Silvery, Glasslike, Bright, Pearlescent, Iridescent, Opaline, Opalescent

Luminous, Carnelian, Lustrous, Aquamarine, Aventurine, Silvery, Dichroic, Turquoise, Hobnail, Translucent, Bright, Nacreous, Pearlescent, Opaline, Iridescent

Polychromatic, Scaleless, Nubbly, Amoebic, Luminous, Blueish, Metallic, Translucent, Silvery, Glasslike, Bright, Pearlescent, Iridescent, Opaline, Opalescent

Brighten up your party tables with this Opalescent Pastel Blue Paper Tablecloth.
Sometimes white diamonds are cut to display beautiful opalescent flashes of color.
The textured opalescent slag glass is all original with no cracks.
Nutrient Agar should appear slightly opalescent, and light amber in color.
OPP is very clear, but can also make an opalescent film.
They have an opalescent sheen and blue particle effects.
DIANABOL helps in opalescent trophy without losing muscle mass.
Description A grey to pale yellow opalescent suspension.
Viscous solutions were not opalescent and vice versa.
The result is a clear, slightly opalescent, liquid.

The mollusk treats the bead as an irritant and the mantle lobe tissue begins to deposit a nacreous coating over it.
The inhabitants also obtained green stone beads, nacreous marine shells, Olivella, and Glycymeris sp.
Higher concentrations of large particles were observed in association with nacreous clouds.
Explain the differences between nacreous and noctilucent clouds.