[supra.]

1. a beautiful and durable sky-blue; a color formed of the mineral called lapis lazuli, and consisting of little else than oxyd of iron.

2. Azure-stone.

Ultramarine ashes, a pigment which is the residuum of lapis lazuli, after the ultramarine has been extracted. Their appearance is that of the ultramarine, a little tinged with red, and diluted with white.