ANDERGASSEN - TYPICAL INCLUSIONS AND CHARACTERSTICS OF GEMSTONES

INCLUSIONS AND CHRACTERISTICS OF GEMSTONES - ANDERGASSEN

It is divided into 3 booklets (160 photographs each) and it's always updated. 
It's a great book both for gemologists and for enthusiasts of precious stones.

1° BOOKLET        
PHOTO GUITE TO: rubies, emeralds both natural and synthetics.        

2° BOOKLET        
PHOTO GUITE TO: natural and synthetic sapphires, alexandrite and synthetic opal.        

3° BOOKLET       
PHOTO GUITE TO: natural and synthetic diamond, synthetic aquamarine.    

BINDER       
Three booklets incl.