Statements (18)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
scientific instrument
|
| gptkbp:enables |
observation of optical symmetry in diamonds
|
| gptkbp:hasComponent |
magnifying lens
colored filter viewing tube |
| https://www.w3.org/2000/01/rdf-schema#label |
Hearts and Arrows viewer
|
| gptkbp:relatedTo |
diamond cut
Hearts and Arrows diamond diamond symmetry |
| gptkbp:usedBy |
jewelers
gemologists diamond buyers |
| gptkbp:usedFor |
displaying hearts and arrows pattern in round brilliant diamonds
analyzing cut quality of diamonds viewing diamond symmetry |
| gptkbp:bfsParent |
gptkb:Heart_and_Arrow
gptkb:Hearts_&_Arrows |
| gptkbp:bfsLayer |
8
|