The Collaborative International Dictionary
                    Pyritize
                    
                        
                
                                                                    Pyritize \Pyr"i*tize\, v. t. [Cf. F. pyritiser.] To convert into pyrites.
Wiktionary
                    pyritize
                    
                        
                
                                                                    vb. (context transitive English) to convert something into pyrites or into the form of pyrites