Iron, in larger proportion, usually colours the clays green or slate-blue, before they have been heated.
The hair had slipped from its body, leaving the skin shiny and slate-blue.
Her eyes—they were the serene eyes of cool gray that take on slate-blue tints in stressful moments—met his defiantly.
A petrel it is, about the size of a house pigeon, and of a slate-blue colour.
Ferri phosphas, a slate-blue powder of ferrous and ferric phosphates with some oxide.
The male is of a slate-blue, and has a broad black band across the tail.
The roguish eyes of the prima donna receded and vanished and slate-blue ones replaced them.
There was a smile on her lips, but there was fiery challenge in her slate-blue eyes.
His large size, slate-blue back, loud notes, and characteristic flight make him a hard bird to mistake in any case.
slate-blue eyes, two books with endless pages, the soul of this wife of his.