Random triples
| Subject | Object |
|---|---|
| gptkb:stishovite | brittle |
| gptkb:chlorapatite | brittle |
| gptkb:serpentine_group | brittle |
| gptkb:polyhalite | brittle |
| gptkb:Jadeite | Brittle |
| gptkb:chalcosite | brittle |
| gptkb:Smoky_quartz | Brittle |
| gptkb:Cinnabar | Brittle |
| gptkb:Chrysocolla | brittle |
| gptkb:calaverite | brittle |
| gptkb:stilbite | brittle |
| gptkb:clinochlore | flexible |
| gptkb:Pyroxene | Brittle |
| gptkb:Wulfenite | Brittle |
| gptkb:zincite | brittle |
| gptkb:Cuprita | brittle |
| gptkb:wurtzite | brittle |
| gptkb:Jade | Tough |
| gptkb:chlorite | flexible |
| gptkb:antigorite | not elastic |