is a reddish resin extracted from Commiphora trees. The process of extracting sap from Boswellia and Commiphora trees is virtually identical. Incisions, or taps, are made in the bark of the tree ...

Amber close amberHardened tree resin. is a substance that is formed from hardened tree sap or resin. This allows the whole organism to be seen clearly. Britain's most famous peat bog body is known ...