The ocean water below us slowly turned an emerald green hue, caused by the minerals in the snow and ice that absorb the other colors of the spectrum. (ordinarytraveler.com)
And if you remove the tray from the freezer too soon you'll find, not a growing cube, but a skin of ice with liquid water below it. (newscientist.com)
In many of the illustrations, a cross section of four - inch ice divides the boy and his grandfather from the dark, mysterious water below them. (booklistonline.com)