Multiple emotions read as a multi-colored aura, while unreadable emotions come out as white or black.

He stared down at her, his face expressionless but his dark eyes glittering with some unreadable emotion.

The bland expression on the Brown sister's dark face did not change, but a touch of some unreadable emotion altered the pitch of her voice.

Its mouth opened in a spasm of unreadable emotion.

Surprise or some other unreadable emotion sent a touch of paleness into his face and he looked dubiously at the robed outlaw.

For an instant, some unreadable emotion played across Belisar's features.

She knew that this was not really adequate and she felt herself to be the recipient, yet again, of one of the Hawkinsite's unreadable emotions.

An unreadable emotion flickered across the woman's face.

The inflexible face before him was shadowed by some unreadable emotion.

A small-ball of ragged unreadable emotion still sat in the back of his head, yet he was certain she knew he had returned.