| PRECIOUSMETAL | Split particle, some uranium or gold, silver or platinum (8,5) |
| ORE | Uranium or gold |
| NEUTRINO | Roughly meaning "tiny, zero charge", a particle some six million times lighter than an electron, thus so small that no one has been able to measure its mass (8) |
| FINE | Word used to describe delicate or intricate workmanship, very thin thread, clear and dry weather or gold/silver containing a specified high proportion of pure metal (4) |
| SARI | Traditional Indian garment worn draped around the body, often decorated with brocade or gold/silver zari thread (4) |
| INGENIOUS | Naive, replacing some uranium with iodine? That's clever! |
| RAN | Rushed to get some uranium |
| BASEMETAL | Copper, lead, zinc or tin, as opposed to gold, silver or platinum |
| NOBLEMETAL | Gold, silver, or platinum, for example (5,5) |
| HALLMARK | A symbol of purity stamped on gold, silver or platinum (8) |
| METAL | Silver or platinum |
| INGOT | Bar of silver or platinum |
| FUEL | Uranium or plutonium, for a nuclear reactor |
| REGIA | Aqua ---: mixture of nitric and hydrochloric acids that dissolves gold or platinum |
| RIAA | Org. certifying albums as gold or platinum |
| AMERICIUM | Radioactive metallic element synthesized by bombarding uranium or plutonium with neutrons; atomic no. 95 (9) |
| HUE | Gold or platinum, e.g. |
| BLONDE | Hair color that can be "dirty" or "platinum" |
| WHITEGOLD | Alloy containing nickel or platinum (5,4) |
| PIQUE | Decorative work using materials such gold, silver or mother-of-pearl and formerly tortoiseshell or i |
