'We used the powdered stone and mixed it with coloured mortar to mirror the sunlight at dawn,' ventured Willow.

The downpour lasted for a dozen seconds; then came a sifting trickle of powdered stone and loosened dirt.

A bullet ricocheted off the surface of the road, and powdered stone puffed up momentarily ten yards in front of Mykel.

The stone becomes crumbly, producing a fine powdered stone.

Struggling to stay upright, he clasped a hand over his mouth and nostrils, trying to keep out the dust and powdered stone.

Joaquin's breathing was labored and hoarse, his windpipe partially clotted by powdered stone.

Some of these statues were still being worked on, and the rough boards underfoot were gritty with powdered stone.

The black powder was then laid in the grooves and covered with powdered stone to keep it in place.

Most of his face and clothing was covered by powdered stone, but he still smiled.

He lay in the midst of a wide, rough circle which held nothing but 'powdered stone.