He looked across the motley sea toward an opalescent sky reddening in the east.

I see an opalescent sky, and the great soft blue rollers of a sapphire sea.

Dorin raised his eyes to the smoky opalescent sky.

The town with its churches, convents and mediaeval buildings stood out with perfect clarity against an opalescent sky.

Steadily the triumphant rose spread upward in the pale opalescent sky, and broad waves of light rippled slowly over the wide level plain.

There were quivering flames above it and shells were bursting over it with pretty little puffs of smoke which rested in the opalescent sky.