| Answer | Crossword Clue |
|---|---|
| coffinites | COFFINITE, a uranium-yielding ore |
| coffinite | a uranium-yielding ore |
| carnotite | a yellow uranium ore |
| carnotites | CARNOTITE, a yellow uranium ore |
| gummite | yellow to red alteration product of pitchblende and a minor ore of uranium, having a greasy luster and occurring in gumlike masses |
| autunite | a radioactive usually lemon-yellow calcium phosphate mineral that occurs in tabular crystals and in scales and that is an ore of uranium |
| calutrons | A device that uses large electromagnets to separate uranium isotopes from uranium ore. It was developed in the 1940s to produce highly enriched weapons-grade uranium |
