Hearts and Arrows viewer

GPTKB entity

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