| Answer | Crossword Clue |
|---|---|
| RUBYSILVER | Pyrargyrite, a dark red ore. |
| pyrargyrites | PYRARGYRITE, a deep-red to black silver ore |
| pyrargyrite | a deep-red to black silver ore |
| proustite | a red silver ore, sulphide of arsenic and silver, aka ruby silver ore |
| proustites | PROUSTITE, a red silver ore, sulphide of arsenic and silver, aka ruby silver ore |
| ocher | an earthy usually red or yellow and often impure iron ore used as a pigment |
| gummite | yellow to red alteration product of pitchblende and a minor ore of uranium, having a greasy luster and occurring in gumlike masses |
