| 
                                    
                                        gptkbp:instanceOf
                                    
                                 | 
                                
                                    
                                        
                                            gptkb:synthetic_gemstone
                                        
                                         
                                    
                                        
                                            gptkb:crystalline_form_of_zirconium_dioxide
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:alternativeTo
                                    
                                 | 
                                
                                    
                                        
                                            gptkb:jewelry
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:birefringence
                                    
                                 | 
                                
                                    
                                        
                                            
                                            none
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:canBeDopedWith
                                    
                                 | 
                                
                                    
                                        
                                            gptkb:yttrium
                                        
                                         
                                    
                                        
                                            
                                            calcium
                                        
                                        
                                         
                                    
                                        
                                            
                                            magnesium
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:chemicalFormula
                                    
                                 | 
                                
                                    
                                        
                                            
                                            ZrO2
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:cleavage
                                    
                                 | 
                                
                                    
                                        
                                            
                                            none
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:color
                                    
                                 | 
                                
                                    
                                        
                                            
                                            colorless
                                        
                                        
                                         
                                    
                                        
                                            
                                            can be colored
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:containsElement
                                    
                                 | 
                                
                                    
                                        
                                            
                                            oxygen
                                        
                                        
                                         
                                    
                                        
                                            
                                            zirconium
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:crystalSystem
                                    
                                 | 
                                
                                    
                                        
                                            
                                            cubic
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:density
                                    
                                 | 
                                
                                    
                                        
                                            
                                            5.6–6.0 g/cm³
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:discoveredBy
                                    
                                 | 
                                
                                    
                                        
                                            
                                            1937
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:dispersion
                                    
                                 | 
                                
                                    
                                        
                                            
                                            0.058–0.066
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:distinguishedFromDiamondBy
                                    
                                 | 
                                
                                    
                                        
                                            
                                            higher density
                                        
                                        
                                         
                                    
                                        
                                            
                                            different refractive index
                                        
                                        
                                         
                                    
                                        
                                            
                                            different thermal conductivity
                                        
                                        
                                         
                                    
                                        
                                            
                                            lower hardness
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:firstProduced
                                    
                                 | 
                                
                                    
                                        
                                            
                                            1976
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:fluorescence
                                    
                                 | 
                                
                                    
                                        
                                            
                                            none or weak
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:fracture
                                    
                                 | 
                                
                                    
                                        
                                            
                                            conchoidal
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:hardnessMohs
                                    
                                 | 
                                
                                    
                                        
                                            
                                            8–8.5
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:luster
                                    
                                 | 
                                
                                    
                                        
                                            
                                            adamantine
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:mainProducer
                                    
                                 | 
                                
                                    
                                        
                                            gptkb:China
                                        
                                         
                                    
                                        
                                            gptkb:Russia
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:manufacturer
                                    
                                 | 
                                
                                    
                                        
                                            
                                            skull-melting process
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:marketedAs
                                    
                                 | 
                                
                                    
                                        
                                            
                                            CZ
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:meltingPoint
                                    
                                 | 
                                
                                    
                                        
                                            
                                            2750°C
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:notableFor
                                    
                                 | 
                                
                                    
                                        
                                            
                                            affordability
                                        
                                        
                                         
                                    
                                        
                                            
                                            visual similarity to diamond
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:notFoundInNature
                                    
                                 | 
                                
                                    
                                        
                                            
                                            true
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:origin
                                    
                                 | 
                                
                                    
                                        
                                            
                                            synthetic
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:parent
                                    
                                 | 
                                
                                    
                                        
                                            
                                            zirconium dioxide
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:refractiveIndex
                                    
                                 | 
                                
                                    
                                        
                                            
                                            2.15–2.18
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:solubility
                                    
                                 | 
                                
                                    
                                        
                                            
                                            insoluble in water
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:thermalConductivity
                                    
                                 | 
                                
                                    
                                        
                                            
                                            low
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:transparency
                                    
                                 | 
                                
                                    
                                        
                                            
                                            transparent
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:usedAs
                                    
                                 | 
                                
                                    
                                        
                                            
                                            diamond simulant
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:usedIn
                                    
                                 | 
                                
                                    
                                        
                                            gptkb:jewelry
                                        
                                         
                                    
                                        
                                            gptkb:laser
                                        
                                         
                                    
                                        
                                            
                                            decorative items
                                        
                                        
                                         
                                    
                                        
                                            
                                            optical applications
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:bfsParent
                                    
                                 | 
                                
                                    
                                        
                                            gptkb:Nick_Hook
                                        
                                         
                                    
                                        
                                            gptkb:Todd_Weinstock
                                        
                                         
                                    
                                        
                                            gptkb:Fake_Diamond
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        gptkbp:bfsLayer
                                    
                                 | 
                                
                                    
                                        
                                            
                                            8
                                        
                                        
                                         
                                    
                                 | 
                            
                        
                            
                                | 
                                    
                                        https://www.w3.org/2000/01/rdf-schema#label
                                    
                                 | 
                                
                                    
                                        
                                            
                                            Cubic Zirconia
                                        
                                        
                                         
                                    
                                 |