Solutions Mine for oils or minerals has 6 entries with similar clues
- 3-letter words
- oreValuable deposit of minerals in a rock formation
- 4-letter words
- slagWaste rocks and minerals from a coal mine
- talcSoftest of minerals
- 9-letter words
- inorganic...... chemistry, study of minerals
- 10-letter words
- mohs-scaleScale of hardness of minerals based on resistance to scratching
- bath-saltsMinerals used in bathing water