Which preposition to use with iridescences

of Occurrences 2%

The philanthropy of to-day has a bewildering iridescence of aspect.

on Occurrences 2%

III TAILS The secrets of Nature often play like an iridescence on the surface, and escape the eye of her worshipper because it is stopped with a microscope.

as Occurrences 1%

Its shape was a smooth oval; its hue, even in that dim, wind-tossed light, showed a wondrous, tender opalescence that seemed to change and blend into rainbow iridescences as the staring Legionaries peered at it.

than Occurrences 1%

There another glides over the surface with sinuous course, rowed by more oars than a Venetian galley, more brilliant in its iridescence than the barge of Cleopatra, albeit "The poop was beaten gold, Purple the sails.

to Occurrences 1%

There is an iridescence to its glittering on bleached sand, blue bay, and Carrara façade that is sheer light distilled to its utmost.

Which preposition to use with  iridescences