Random triples
| Subject | Object |
|---|---|
| gptkb:Amphibole_group | vitreous |
| gptkb:Anorthoclase | Vitreous |
| gptkb:elpidite | vitreous |
| gptkb:wöhlerite | vitreous |
| gptkb:clinochlore | vitreous |
| gptkb:Wollastonite | Pearly |
| gptkb:plagioclase_series | vitreous |
| gptkb:pyroxene | dull |
| gptkb:neptunite | vitreous |
| gptkb:zinc_spar | pearly |
| gptkb:rose_quartz | vitreous |
| gptkb:Oligoclase_Sunstone | pearly |
| gptkb:Cordierite | vitreous |
| gptkb:Smithsonite | vitreous |
| gptkb:winchite | vitreous |
| gptkb:Crazy_lace_agate | waxy |
| gptkb:kosmochlor | vitreous |
| gptkb:Fedchenkoite_(mineral) | vitreous |
| gptkb:Pietersite | vitreous |
| gptkb:Oligoclase | vitreous |