| CHATOYANT | Description of iridescent plumage, an opalescent gem en cabochon or a shimmering sky, all with a changing lustre, like a cat's eye (9) |
| POPINJAY | A parrot or a figure of it set up as an archery target; or, alluding to said bird's mimicry and showy plumage, an extravagant, foppish, gaudy, garrulous or peacockish person (8) |
| ASTERIAS | Gems such as star sapphires that exhibit bright star-like effects when cut en cabochon; or, the genus of the common starfish (8) |
| ADULARIA | A feldspar mineral known as moonstone when displaying an opalescent play of colours (8) |
| MOONSTONE | Pearly, opalescent gem associated with the goddess Hecate |
| GEM | Cabochon or cameo |
| HAZE | It gives the air an opalescent appearance |
| OPALINE | Love friend in front of exhibits of a shimmering sort? (7) |
| AGATE | Banded form of chalcedony that can be carved into cameos, cut and polished into cabochons or used to make toy marbles (5) |
| MOONSTONES | Opalescent gems popular in Art Nouveau |
| MOONSTS | Opalescent gems |
| AGLITTER | That silver rubbish has a shimmering, superficial quality (1,7) |
| RESPECT | Show admiration for a shimmering spectre (7) |
| ALMANDINE | Violet-red variety of garnet known as a carbuncle when cut with a rounded convex face (en cabochon) (9) |
| STARLING | With iridescent plumage, a bird forming flocks or murmurations in the winter (8) |
| FAVRILE | From an Old English word for "handmade" or "of a craftsman", the name of iridescent ornamental art glass developed by Tiffany (7) |
| CAESIUM | Gold-coloured metal that is the softest of all with a consistency of wax at room temperature (7) |
| OPAL | Gem usually finished en cabochon |
| CARBUNCLE | Deep red gemstone, especially a garnet cut without facets (en cabochon) (9) |
| PEACOCKORE | Nickname for the mineral bornite because of its range of iridescent colours resembling the plumage and tail feathers of India's national bird (7,3) |
