The sculptor used a rubbing stone to erase the chisel marks from the statue.

The sculptor carved a delicate angel from a block of plaster-stone for the chapel.

The preserved dinosaur specimen still contained a heavy gizzard stone deep in its abdomen.

Early chemists believed that stone oil could be used to light lamps in rural areas.

While exploring the marsh, she carefully documented a rare dog-stone tucked among the reeds.

After the landslide, the riverbed was clogged with stone brashes that had rolled down from the cliff.

The prehistoric tool stone showed dozens of flake scars where flakes had been struck off to make other implements.

The stone knappers demonstrated their technique to a crowd at the archaeological park.

The stone knapper demonstrated how to strike flakes from a core during the workshop.

During our hike in the northern ranges, we were lucky to see a graceful group of Stone sheep moving across the rocky ledges.