| Rating | Solver | Clue |
|---|---|---|
| ORE | Native metal | |
| NUGGET | A lump; a mass, esp. a native lump of a precious metal; as, a nugget of gold. | |
| OSMIUM | A rare metallic element of the platinum group, found native as an alloy in platinum ore, and in iridosmine. It is a hard, infusible, bluish or ... | |
| BISMUTH | ...sed in the flame of a candle. It is found in a native state, and as a constituent of some minerals. Specific gravity 9.8. Atomic weight 207.5. S... | |
| PLATINUM | A metallic element, intermediate in value between silver and gold, occurring native or alloyed with other metals, also as the platinum arsenide... | |
| PALLADIUM | A rare metallic element of the light platinum group, found native, and also alloyed with platinum and gold. It is a silver-white metal resembli... | |
| ARSENIC | ...mes at 356¡ Fahrenheit. It is sometimes found native, but usually combined with silver, cobalt, nickel, iron, antimony, or sulphur. Orpiment an... | |