Random triples
| Subject | Object |
|---|---|
| gptkb:Anorthite | Brittle |
| gptkb:Chalcopyrite | brittle |
| gptkb:dolomite_(mineral) | brittle |
| gptkb:tennantite | brittle |
| gptkb:Papagoite | brittle |
| gptkb:djurleite | brittle |
| gptkb:hemimorphite | brittle |
| gptkb:Siderite | brittle |
| gptkb:pyrite | brittle |
| gptkb:Haüyne | brittle |
| gptkb:mordenite | brittle |
| gptkb:chalcosite | brittle |
| gptkb:Hexagonite | brittle |
| gptkb:Cuprite | Brittle |
| gptkb:chalcocite | brittle |
| gptkb:manganite | brittle |
| gptkb:lithiophorite | brittle |
| gptkb:Cordierite | brittle |
| gptkb:muscovite | elastic |
| gptkb:Variscite | Brittle |