Opalesque

From these causes result that imperfect transparency, and also that opalesque iridescence, which we now see in old glass, and which we long to see restored.

Source: wiktionary

She presently reached a more open part of the country, though she was still near the forest through which she had passed, and, towards noon, when she was almost overcome by the sun's heat, she came upon a rising ground, whence she beheld, afar off, a great stretch of water, and, on what seemed its most distant reach, an opalesque haze.

Source: wiktionary

This process of extraction was repeated 4 times, each time renewing ether, until the mother fluid appeared slightly opalesque and transparent with a few small granules.

Source: wiktionary

Before them, a choir of angels fills the opalesque sky and shares the first couple's focus on God, a large seated figure just beginning to emerge from the background.

Source: wiktionary