Piece of about 13 grams of amber and copal .
* This amber is called copal that is very young and does not have the same characteristics as the typical amber, amber is a pine resin hardened by time, especially the Pinus succinifera, with more than 30 million years old. Its composition is a mixture of several resins, succinic acid and a volatile oil containing C10H16O sometimes sulfide H2S acid. While the copal is a wide range of resins obtained from existing trees and also appears in some cases state of fossilization. A natural resin, has almost the same properties as the amber, so it also has bugs, bubbles, leaves, etc. ..
Pliocene