Should he explain his unusual coloration or check their ID's!

The unusual coloration of white tigers has made them popular in zoos and entertainment showcasing exotic animals.

Diamonds with unusual or intense coloration are sometimes labeled "fancy" in the diamond industry.

The Eye was a fist-sized diamond with very unusual coloration.

It seems to be the case that unusual colorations appealed to Tiffany, like the opal.

The unusual blue coloration of the quartz is thought to be due to ilmenite inclusions.

And he suggested the odd, demonic atmosphere of the tale through some unusual coloration.

A collection of 90 of the most modern, simple, elegantly lined clothes in sharp, unusual colorations.

These proved especially diverting, for the music takes on unusual coloration when realized on the harpsichord.

In late fall they have a purple-bronze hue, an unusual coloration that is spectacular and can be seen for quite some distance.