| quartz(noun, name, stone, rock) |
| quartzite(noun, name, stone, rock) |
| rhyolite(noun, name, stone, rock) |
| ruby(noun, name, stone, rock) |
| sandstone(noun, name, stone, rock) |
| schist(noun, name, stone, rock) |
| scoria(noun, name, stone, rock) |
| shale(noun, name, stone, rock) |
| siltstone(noun, name, stone, rock) |
| slate(noun, name, stone, rock) |
| soapstone(noun, name, stone, rock) |
| touchstone(noun, name, stone, rock) |
| tuff(noun, name, stone, rock) |
| uraninite(noun, name, stone, rock) |
| vauxite(noun, name, stone, rock) |
| wolframite(noun, name, stone, rock) |
| xenolite(noun, name, stone, rock) |
| ytterbite(noun, name, stone, rock) |
| zirconium(noun, name, stone, rock) |
| titanic |