Related Clues:
- Quartz used in the manufacture of glass
- Glassy substance in quartz
- With 23-Across, adsorbent colloid
- Stuff in sand or quartz
- In clay, salt is regularly crushed as a mineral
- Glassy mineral found in sand
- Aunt leaves Saint Lucia with something to fill glass?
- __ water
- Man digging out aluminium ore, possibly
- Manual worker, having a pound, gets a drink
- E.g. bauxite, quartz
- My old hands clutch a soft drink
- Sandstone constituent
- Main constituent of sandstone
- Thus the Italian buried a constituent of sandstone