Random triples
| Subject | Object |
|---|---|
| gptkb:cordierite | brittle |
| gptkb:conichalcite | brittle |
| gptkb:Haüyne | brittle |
| gptkb:dioptase | brittle |
| gptkb:cohenite | brittle |
| gptkb:tennantite | brittle |
| gptkb:Pyroxene_group | Brittle |
| gptkb:bornite | brittle |
| gptkb:antigorite | flexible |
| gptkb:Anglesite | brittle |
| gptkb:baryte | brittle |
| gptkb:Millerite | brittle |
| gptkb:Lawsonite | brittle |
| gptkb:calaverite | brittle |
| gptkb:Cordierite | brittle |
| gptkb:uvarovite | brittle |
| gptkb:Natron | brittle |
| gptkb:Heulandite | brittle |
| gptkb:richterite | brittle |
| gptkb:Citrine | Brittle |