Amber is hardened: 1.gumlike material from cone-bearing trees 2.bark-like material from cone-bearing trees 3.needlelike material from cone-bearing trees

Amber is hardened 1. gum-like material from cone-bearing trees.

Though it is sometimes confused with gemstone, amber is a hardened resin of fossilized trees which has been admired for its beauty since ancient times. It is used in jewelry and sometimes it is worn to alleviate aches and pains as it has healing properties according to folk medicinal practices.  

It is classified into five classes according to chemical constituents of amber. It sometimes contains insect and animal remains because originally it existed as sticky tree resins. The largest deposits of amber is found in Europe in the Baltic area.

brave new world, aldous huxley (1932)