Related Clues:
- Seaside castle-building material
- Smooth down (surface)
- You must leave a cube smooth
- De-ice, in a way
- What some castles are made of
- They fill hourglasses
- Dune constituent
- Very fine rock
- Smooths, as a plank
- It's spread on snowy roads
- Grains in concrete
- George --, pen name of Amandine Aurore Lucie Dupin
- Uses gritty paper on
- Leave genetic material to regress after sulphur hazard
- You left 1000 little grains