| Geologists' concerns | 24 |
| Gemstone sources | 16 |
| Galena et al. | 13 |
| Galena and wolframite | 21 |
| Galena and pyrites | 18 |
| Galena and pyrite | 17 |
| Galena and others | 17 |
| Galena and mispickel | 20 |
| Galena and malachite | 20 |
| Galena and magnetite | 20 |
| Galena and hematite, e.g. | 25 |
| Galena and cuprite | 18 |
| Galena and beryl, for two | 25 |
| Forty-niners' quests | 24 |
| Flashes in some pans | 20 |
| Finds in bonanzas | 17 |
| Filthy lucre sources? | 21 |
| Extracted valuables | 19 |
| Earth yields | 12 |
| Digger's finds | 18 |
| Cuprite and tinstone | 20 |
| Cuprite and limonite | 20 |
| Cuprite and limnite | 19 |
| Cuprite and cinnabar | 20 |
| Crude minerals | 14 |
| Crops of the pick? | 18 |
| Copper containers | 17 |
| Copper and iron | 15 |
| Contents of veins | 17 |
| Contents of trams | 17 |
| Contents of some ledges | 23 |
| Contents of some deposits | 25 |
| Contents of lodes | 17 |
| Columbite and galena | 20 |
| Columbite and cuprite | 21 |
| Claim valuables | 15 |
| Claim findings | 14 |
| Cinnebar and bauxite | 20 |
| Cinnabar and pyrite | 19 |
| Cinnabar and mispickel | 22 |
| Cinnabar and hematite | 21 |
| Cinnabar and barite | 19 |
| Cinnabar and azurite | 20 |
| Cassiterite et al. | 18 |
| Candidates for refinement | 25 |
| Buried treasures? | 17 |
| Bornite and stibnite | 20 |
| Bornite and limnite | 19 |
| Bornite and cinnabar | 20 |
| Borax and bauxite, e.g. | 23 |
| Borax and bauxite | 17 |
| Bonanzas' yields | 20 |
| Bedrock deposits | 16 |
| Bauxites | 8 |
| Bauxite, etc. | 13 |
| Bauxite and taconite | 20 |
| Bauxite and siderite | 20 |
| Bauxite and prill | 17 |
| Bauxite and mispickel | 21 |
| Bauxite and hematite | 20 |
| Bauxite and columbite, e.g. | 27 |
| Bauxite and cinnabar, e.g. | 26 |
| Bauxite and chromite | 20 |
| Bauxite and bornite | 19 |
| Bauxite and borax, e.g. | 23 |
| Bauxite and borax | 17 |
| Bauxite et al. | 15 |
| Bank deposits, maybe | 20 |
| Azurite and cuprite, e.g. | 25 |
| Assaying samples | 16 |
| Assayers' subjects | 22 |
| Assayer's concerns | 22 |
| Assayable substances | 20 |
| Arsenopyrite and feldspar | 25 |
| Adit pass-throughs | 18 |
| Aeschylus trilogy | 17 |
| Trilogy that includes "Agamemnon" | 43 |
| Trilogy by Aeschylus | 20 |
| Aeschylus work | 14 |
| Aeschylus opus | 14 |
| Electra's brother | 21 |
| Son of Agamemnon | 16 |
| Brother of Electra | 18 |
| Clytemnestra's slayer | 25 |
| Electra's co-conspirator | 28 |
| Clytemnestra's son | 22 |
| Brother of Iphigenia | 20 |
| Tragic Greek | 12 |
| Son of Agamemnon and Clytemnestra | 33 |
| Member of the house of Atreus | 29 |
| Matricide of Greek myth | 23 |
| Matricidal figure of myth | 25 |
| Iphigenia's brother | 23 |
| In myth, killer of his own mother, Clytemnestra | 47 |
| Homeric character who commits matricide | 39 |
| Hero of Sophocles' "Electra" | 42 |
| Greek matricide | 15 |
| Euripides protagonist | 21 |
| Euripides play that ends with the title character's wedding to Hermione | 75 |
| Euripides hero who killed his mother to avenge his father | 57 |