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About amber

  • ORIGIN AND DEPOSITS OF THE BALTIC AMBER

    The main deposits of the Baltic amber are not in the former amber forests where resins had formed and got in the soil. At present it is supposed that amber forests had existed gore 15-20 million years in Fen Scandia and maybe in the middle and the north part of the Baltic Sea.
    In the Eocene period amber forests were overflowed, by the tertiary period mowing from the West. The main part of amber was washed out from the soil of those forests and brought together into Eocene and Oligocene sediments - settlings of the south coast of the sea, from the Sambian peninsula to Chlopov near Dancing (Gdansk). In these deposits the so-called “blue soil” (clayey sand with glaucomatous admixtures) was so much filled with amber that it that been mind here for more than 100 years. These are famous amber mines near Palmnicken (today Yantarny) in Russia. The thickness of the stratum of the blue soil is about 7-8 meters, and there are approximately 2,5 kg of amber in one cubic meter. Primary deposits were totally and secondary partly destroyed. At present the Baltic amber can be found from England in the West to Ukraine in the East, south Sweden and south Finland in the North.

     

    AMBER – FOSSIL RESIN

     The Baltic amber, succinct, formed of amber pine tress – pinus succinifera – which in the Eocene period (55-40 million years ago) grew in south slopes and plains of Scandinavia. In the old Baltic amber tertiary forests conifers, palms, oaks, beeches, elms, chestnuts, willows, cinnamons, magnolias and olives, also mushrooms, mosses and lichens were growing. The climate was mainly warm, turning to subtropical. Possible reasons for pathological overproduction of resin in amber trees were consequences of natural disasters and climate changes: lightning, early frosts, cloudbursts, increased concentration of soil salts and air humidity. Because of intensive resin exertion in the beginning of the Oligocene period amber forests were growing sickly very slowly.
    The process of amber formation of resin includes many lasting changes and stages: polymerization, oxidation, isomerization, fermentation and the so-called ripeness process in alkaline soil of the Sambian peninsula, outputs of the Eocene period. Here resin had once and for all turned into amber.
    Very few inclusions of plants are found – about 300 pieces that make approximately 0.4%. In the Palanga amber Museum only those remnants of plants remained whole that had been totally covered by resin and had no contact witch air.
    Every piece of amber is of its early form, which reveals the process of its formation. If weathering had not damaged amber, water and ice, it could have retained its early form unchanged. Amber pieces are divided into those that had formed inside the trunk. The former are in the form of a drop (79%) amber stalactites, drops, icicles, pieces of amber in amber. The latter are in the form of the inside trunk (12%): pieces of resin in the bark or between the trunk and the bark. These are bark lamellae, pieces with bits of the bark.

     

    CHARACTERISTICS OF THE BALTIC AMBER

     Today more than 250 kinds of the Baltic amber are known. They are determined by color is yellow. Limpidity degree and color intensity depend on the number, size and arrangement of the smallest opaque admixtures in amber.
    Flomin (muddy) stones are limpid; it is easy to polish them.
    Bastard stones are turlid, having lots of air bubbles. They may be blotted with clods of pearl color (white, light yellow), yellow or brownish. Bone amber is white or ivory, opaque, sometimes with bluish tint.
    Physical and chemical characteristics of the Baltic amber are extremely various. Its hardness according to Mohs’ scale is 2-3, but sometimes it reaches 10. The Baltic amber is easily processed, cut, drilled or polished. Amber density is from 1,05 to 1,096 g/cm 3. Water of the Baltic Sea is not very salty. Amber density is little, so it floats in the water and waves coast it ashore. Because of its amorphous structure amber easily cracks. It also easily takes fire and burns in a smoking flame spreading a smell similar to that of incense. It is difficult to determine the exact fusion temperature of the Baltic amber.

     

    TRANSLATION OF WORD "AMBER' IN OTHER LANGUAGES

    Deutsch (German)
    Bernstein

    Italiano (Italian)
    Ambra

    Русский (Russian)
    янтарь

    Français (French)
    Ambre

    Nederlands (Dutch)
    Ambersteen

    Español (Spanish)
    Ambar

    Svenska (Swedish)
    Bärnsten