opalescence 

The overall feeling and essence that is produced by Opal, or an opal. Can often be a feeling of beauty as the stone is a beautiful object.

"Opalescence is around us"

opalescence by TheOpal July 30, 2005

Oralescent 

The perceived quality of scent and flavor remaining in your mouth post tasting a food or beverage.

One of the qualities of the new Ithaca Beer, Java Power, is how oralescent It is. I tasted not only coffee, but jalapenos and dandelion greens long after my last swallow.

Oralescent by Weebabyséamus January 10, 2016

Oblescent 

the act of being obsessed over something to the point of annoyance

(towards cousin who is playing World of Warcraft) "Your obsession towards World of Warcraft is becoming oblescent!"

Oblescent by Jeff C. and Alex B. January 13, 2009

Opalescentia

Opalescentia: (noun) A glowing, iridescent quality that emanates from someone or something, creating an aura of beauty and mystery.

The opalescentia of the sunrise filled the sky with hues of pink and gold.

Opalescentia by Drakovi Bloodrose February 8, 2025