| chert(noun, name, stone, rock) |
| coal(noun, name, stone, rock) |
| dacite(noun, name, stone, rock) |
| diamond(noun, name, stone, rock) |
| dolomite(noun, name, stone, rock) |
| emerald(noun, name, stone, rock) |
| flagstone(noun, name, stone, rock) |
| flint(noun, name, stone, rock) |
| focus(activity, art, craft, creativity, visual) |
| gabbro(noun, name, stone, rock) |
| gneiss(noun, name, stone, rock) |
| greenstone(noun, name, stone, rock) |
| greywacke(noun, name, stone, rock) |
| gypsum(noun, name, stone, rock) |
| halite(noun, name, stone, rock) |
| hematite(noun, name, stone, rock) |
| ironstone(noun, name, stone, rock) |
| jasper(noun, name, stone, rock) |
| kimberlite(noun, name, stone, rock) |
| lodestone(noun, name, stone, rock) |