Random triples
| Subject | Object |
|---|---|
| gptkb:Alexandrite | brittle |
| gptkb:cordierite | brittle |
| gptkb:cohenite | brittle |
| gptkb:Albite | Brittle |
| gptkb:Danburite | brittle |
| gptkb:krennerite | brittle |
| gptkb:chlorapatite | brittle |
| gptkb:brucite | sectile |
| gptkb:polyhalite | brittle |
| gptkb:chrysocolla | brittle |
| gptkb:talc | sectile |
| gptkb:calaverite | brittle |
| gptkb:stishovite | brittle |
| gptkb:Mimetite | brittle |
| gptkb:lizardite | flexible |
| gptkb:datolite | brittle |
| gptkb:Natrolite | Brittle |
| gptkb:uvarovite | brittle |
| gptkb:Scolecite | Brittle |
| gptkb:augite | brittle |