Hardened tree sap, burned on charcoal. Each entry gives the tree, the region it is tapped in, and how the resin is graded.In this groupCopalCopal Resin - Shorea javanicaDragons Blood ResinFrankincense PowderFrankincense ResinGuggul GumMyrrh Gum PowderMyrrh Gum ResinOpopanax Resin (Sweet Myrrh)Arabic/Gum Arabica Gum (Powder)Acacia/Gum Arabica Chunks
