Precious and Decorative Stones
				 No. 2 (112), 2023
			
				CONTENTS 
			| HISTORY | |
| 
							 |           
						
							History of the State Gemmological Center of Ukraine. Part 4, 2017–2023  | 
					
| RESEARCH AND DEVELOPMENT | |
							Tatarintseva K., Belichenko O., Gayevsky Yu., Ladzhun Yu.  |           
						
							An unique variety of fluorite "Blue John"  | 
					
							Surova V., Gayevsky Yu., Horobchyshyn О., Lyashok V.  |           
						
							Artificial analogues of semi-precious stones. Part 1  | 
					

