Random triples
| Subject | Object |
|---|---|
| gptkb:haüyne_(mineral) | brittle |
| gptkb:sphalerite | brittle |
| gptkb:polyhalite | brittle |
| gptkb:Siderite | brittle |
| gptkb:stishovite | brittle |
| gptkb:Kunzite | Brittle |
| gptkb:enstatite | brittle |
| gptkb:chlorite | flexible |
| gptkb:Spessartite | Brittle |
| gptkb:datolite | brittle |
| gptkb:hemimorphite | brittle |
| gptkb:Pectolite | Brittle |
| gptkb:Stibnite | brittle |
| gptkb:Selenite | Flexible but not elastic |
| gptkb:chabazite | brittle |
| gptkb:pumpellyite-(Al) | brittle |
| gptkb:mordenite | brittle |
| gptkb:Cerussite | brittle |
| gptkb:hessite | sectile |
| gptkb:Hemimorphite | brittle |