1) Copal 2) Copalite 3) Fossil copal 4) Fossil resin 1) Copalite 
Copalite (or copaline), also termed fossil resin and Lowgate resin, is a naturally occurring organic substance found as irregular pieces of pale-yellow colour in the London Clay at Highgate Hill. It has a resinous aromatic odour when freshly broken, volatilizes at a moderate temperature, and burns readily with a yellow, smoky flame, leaving scarce...