- MINERAL
- Kind of oil
- Silicon or copper
- Twenty Questions category
- Iron or iodine
- Twenty Questions classification
- Animal or vegetable alternative
- Neither animal nor vegetable
- 20 Questions category
- Twenty Questions choice
- __ water
- __ spring
- Inorganic
- Feldspar, e.g.
- Vitamin partner
- Quartz, for one
- Quartz or feldspar
- Table salt, for instance
- Ore, for instance
- Salt, essentially
- Inorganic substance.
- Pitchblende is a rare one.
- Category for "Twenty Questions."
- The kingdom of coal.
- Graphite, for instance.
- Category of substances.
- Quartz.
- Hematite or calcite.
- One of three kingdoms.
- Gold, for one.
- One of the three kingdoms.
- Uranium.
- Inorganic matter.
- ___ water.
- Diamond or quartz.
- One of a basic trio.
- Talc or spar.
- Guessing-game subject
- Kind of water
- Kind of spring
- A preceder of spring
- Egeran or epidote
- Epidote or egeran
- Coal or quartz
- Old quiz show category
- Children's game classification
- Kind of deposit
- Word with spring or water
- Contents of a lode
- With 61-Across, prospectors' targets
- Word before oil or water
- Manila alternative, in a guessing game
- What an anemic person might lack
- Buffalo Tom song about a chemical substance?
- Texas band inspired by an ore?
- Quartz, e.g.
- Type of salt or water
- Many a dietary supplement
- Galena, for one
- Category in "20 Questions"
