A pile of small, smooth, dark stones sat to the side on the board.

A real gold ring with a small dark red stone.

The Keep seemed to absorb the morning sunlight in its dark stone.

This was the first time she changed her medium to a dark brown synthetic stone.

She looked at him with eyes like hard, dark stones.

The walls were rough dark stone, cool to the touch.

They were dark, shiny stones that gave away nothing of what went on behind them.

It was two inches square, with a dark red and beautiful stone in each corner.

They looked up at the windows that now showed clearly against the dark stone.

Everything was made of dark stone, with a cold and echoing feel to it.