Subfossil copal is well known from New Zealand (kauri gum from Agathis australis (Araucariaceae)), Japan, the Dominican Republic, Colombia, and Madagascar.
In its natural condition copal can be easily distinguished from old amber by its lighter citrine colour and its surface getting tacky with a drop of acetone or chloroform.
[5] By the late 19th and early 20th century, varnish manufacturers in England and America were using it on train carriages, greatly swelling its demand.
In 1859, Americans consumed 68% of the East African trade, which was controlled through the Sultan of Zanzibar, with Germany receiving 24%.
The American Civil War and the creation of the Suez Canal led to Germany, India, and Hong Kong taking the majority by the end of that century.