Related Clues:
- Barber's dust
- Mineral in metal container
- Easily powdered mineral
- Mineral that's a lubricant
- Very soft mineral
- Bathroom item found in metal crate
- Soapstone stuff
- 16-Across treatment
- Powder in a medicine cabinet
- Mineral low on the Mohs scale
- Softest geological substance in Mohs scale of hardness
- Chalky mineral used as a powder
- Soft material in Oriental carpets
- Controversial powder
- World's softest mineral