Ancient Amber
Despite fanciful descriptions by some ancient sources like Nicias (470-415 BCE) that amber "is a liquid produced by the rays of the sun, and that these rays, at the moment of the sun's setting, striking with the greatest force upon the surface of the soil, leave upon it an unctuous sweat, which is carried off by the tides of the Ocean, and thrown up upon the shores of Germany", Roman naturalist Pliny the Elder cited sources who were well aware of amber's actual origin from tree resin. In Book 37, section XI of Natural History, Pliny wrote: "Amber is produced from a marrow discharged by trees belonging to the pine genus, like gum from the cherry, and resin from the ordinary pine. It is a liquid at first, which issues forth in considerable quantities, and is gradually hardened [...] Our forefathers, too, were of opinion that it is the juice of a tree, and for this reason gave it the name of "succinum" and one great proof that it is the produce of a tree o...