1) The beach was covered in fine quartz-sand, sparkling under the sun.

2) The construction company sourced high-quality quartz-sand for their building project.

3) The artist used quartz-sand to create intricate patterns in their sand art.

4) The filters at the water treatment plant were filled with quartz-sand to remove impurities.

5) The aquarium's bottom layer was made of quartz-sand to mimic a natural underwater habitat.

6) The children enjoyed playing with quartz-sand in the sandbox, building castles and sculptures.

7) The geologist examined the quartz-sand samples to determine the mineral composition of the area.

8) The resorts along the coast imported quartz-sand to replenish their beaches after storms.

9) The glassblower used quartz-sand to create beautiful glass artworks in the studio.

10) The volleyball players appreciated the soft, clean quartz-sand of the court for their games.