Random triples
| Subject | Object |
|---|---|
| gptkb:Benitoite | brittle |
| gptkb:Jadeite | Brittle |
| gptkb:Wardite | brittle |
| gptkb:manganite | brittle |
| gptkb:datolite | brittle |
| gptkb:Franklinite | brittle |
| gptkb:plagioclase_feldspar | brittle |
| gptkb:Elbaite | brittle |
| gptkb:brucite | sectile |
| gptkb:Siderite | brittle |
| gptkb:chrysocolla | brittle |
| gptkb:ludlamite | brittle |
| gptkb:Euclase | brittle |
| gptkb:chalcopyrite | brittle |
| gptkb:Adularia | brittle |
| gptkb:Pyroxene_group | Brittle |
| gptkb:friedelite | brittle |
| gptkb:prehnite | brittle |
| gptkb:dolomite_(mineral) | brittle |
| gptkb:Jade | Tough |