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gemologia

 

 

 

   

                                                                  INTRODUCCION                 

                                                                                             

 

                                                                                                       

                                          

DIAMANTE                                ESMERALDA

                                                                                                                                                                                                                                                                                                  

 

RUBI                                          ZAFIRO

                                                                                                                                         

 

AMATISTA