opal-blue

Masses of whirling light appeared; the radiance gradually formed itself into the opal-blue spiritual eye, ringed in gold and centered with a white pentagonal star.

Autobiography of a Yogi Yogananda, Paramhansa, 1893-1952 1935

Masses of whirling light appeared; the radiance gradually formed itself into the opal-blue spiritual eye, ringed in gold and centered with a white pentagonal star.

Autobiography of a Yogi Paramahansa Yogananda 1922

Once more from the opal-blue sky of autumn nights, shone the great white stars, and nature seemed wrapped in a melancholy hush.

The Last Trail Zane Grey 1905

The tall, twisted tree-stems, however, that form the background are fine and original in effect, and Mr. Richmond has caught exactly that peculiar opal-blue of the sky which is so remarkable in Greece; the purple orchids too, and daffodil and narcissi that are in the foreground are all flowers which I have myself seen at Argos.

Miscellanies Oscar Wilde 1877