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Gestützt auf einen handgefertigten Ständer
After industrial use ceased
Description: Ammonite cut and polished to reveal the inner chambers
Sie werden oft in den Minen von Brasilien gefunden und sind bekannt für ihre beeindruckenden kristallinen Strukturen und ihr schimmerndes Aussehen
It is assumed that the shells of these animals were originally always made of calcium carbonate
Scheibe aus versteinertem Holz | Oregon, USA Sand Stone Gestützt auf einen handgefertigten StänderOrigin: Deschutes, Oregon, USA Age: Pliocene, 5 2 million years Size: H92cm W93cm D1. 4cm Weight: 24kg Description: This polished hickory like fossil wood slice reveals in detail the age growth rings as seen in the detailed images. Very rare due to its size. Additional information: Petrified wood, fossil formed by the penetration of minerals into the cavities between and within the cells of natural wood, usually silica (silicon dioxide, SiO2) or