| MARL | Sedimentary rock consisting of clay minerals used as fertiliser (4) |
| GUHR | Loose earthy deposit from water occurring in the cavities of rocks, consisting of a varying mixture of clay or ochre (4) |
| COAL | Compact carbonaceous rock consisting of layers of partially decomposed vegetation (4) |
| TUFA | Rock consisting of calcium carbonate deposited from lime-rich springs (4) |
| UREA | Nitrogen-rich compound used as fertiliser (4) |
| MICA | Group of rock-forming minerals used in heating elements (4) |
| TALC | Clay mineral often combined with corn starch and used as baby powder (4) |
| DOLOMITE | Sedimentary rock consisting of a carbonate of calcium and magnesium (8) |
| CHALK | Soft, fine-grained, white sedimentary rock consisting of almost pure calcium carbonate (5) |
| ORES | Minerals used in paddles reportedly (4) |
| LIMESTONE | A sedimentary rock consisting mainly of calcium carbonate, used as a building material (9) |
| GARNET | Any of a group of hard, glassy red, yellow or green minerals used as a gemstone or abrasive (6) |
| SPINEL | Hard multicolored crystalline minerals used as gems |
| GARNETS | Hard glassy red, yellow or green minerals, used as gemstones and abrasives (7) |
| PEAT | Fuel (which should not be used as fertiliser!) (4) |
| GUANO | The excrement of seabirds and bats used as fertiliser (5) |
| MICAS | Minerals used as insulating material |
| FLINT | Rock consisting of nearly pure silica (5) |
| GABBRO | Dark igneous rock consisting of pyroxene, plagioclase feldspar and often olivine (6) |
| ELVAN | Rock consisting of panache, fitted with volume |
