Calcite with chalcedony in petrified wood
                		                		Locality: Blue Forest, Eden Valley, Sweetwater Co., Wyoming, USA
                		                		
                		
                		                		
                		                	 
            	                	
                		
                		Pink Chalcedony
                		                		Locality: Luna County, New Mexico
                		                		
                			                		
                		
                		                	 
            	                	
                		
                		Chalcedony
                		                		Locality: Chaffee County, Colorado
                		                		
                			                		
                		
                		                	 
            	                	
                		
                		Okenite on Chalcedony
                		                		Locality: Nasik , Maharashtra, India
                		                		
                		
                		                	 
            	                	
                		
                		Stilbite on Chalcedony
                		                		Locality: India
                		                		
                		
                		                	 
            	                	
            	                	
            	                	
            	                	
            	                	
            	                	
                		
                		Stilbite Covered by Chalcedony
                		                		Locality: Nasik , Maharashtra, India
                		                		
                		
                		                	 
            	                	
                		
                		Chalcedony over chrysocolla, minor barite
                		                		
                		
                		                	 
            	                	
                		
                		Stilbite & Calcite on Chalcedony Stalactite
                		                		Locality: India