Pinus succinifera

Amber Extinct Pinus succinifera trees Gemstone varnish... 

Amber deriving from the extinct species Pinus succinifera is known as Baltic amber or succinite and consists of dimers of abietic acids and copolymers of communol and communic acid. Amber is less soluble than the other resins, but partially soluble in hot oil, so it has been used as an ingredient in varnish. 

One of the most ancient commercial derivatives is amber, a fossilized resin originating from a group of conifers loosely named Pinus succinifera that grew... 

Amber lam-bor n [ME ambre, fr. MF, fr. ML umbra fr. Arabic unbar ambergris] (14c) A natural fossil resin formed during the Oligocene age by exudation fi-om a species of pine now extinct. Its empirical formula is CioHieO, it softens at about 150°C, can be fabricated and polished. It is a fossil resin found chiefly in the blue earth of East Prussia. It is primary an exudation of Pinus succinifera. It has been used in jewelry, cigarette holders, and pipe mouthpieces. 

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See also in sourсe #XX -- [ ]

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