Perhaps a very fine silica sand would be more consistent.

So far the effect has been observed in silica sand, rock salt, and ice.

She wondered if the silica sand at the bottom of the cave would soften a fall.

Three years later it is the largest North American producer of silica sand.

Silica sand and calcium carbonate are used as a carrier.

Natural resources in Belgium include construction materials, silica sand and carbonates.

She felt something beneath her foot in the soft silica sand, something like a small tube.

Relief is also available for silica sand used as a release agent in the manufacture of roofing felt.

Silicon carbide comes from silica sand and carbon in the form of coke.

Silica sand, we always called it, although there's probably a proper name for it.