SOLD | Petrified Wood Longitudinal Section Araucarioxylon arizonicum | Arizona, USA
SOLD | Petrified Wood Longitudinal Section Araucarioxylon arizonicum | Arizona, USA
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€86.000,00 EUR
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- Price on request: info@urweltsteinbruch.de or +49 (0) 7023 2991
- Origin: Chinle Formation, Arizona, USA
- Age: Triassic, 220 million years ago
- Size: H100cm W300cm D4cm
- Weight: 250 kg
- Description: A large piece of petrified wood discovered near Arizona's petrified forests. This extinct conifer species, Araucarioxylon arizonicum, is the state fossil of Arizona. The rarity and attractiveness of this specimen are due to several factors. Its size is very unusual, it is cut longitudinally and polished to reveal the spectrum of colors for which the site is so famous. The texture on the edges has been preserved.
- Additional information: Petrified wood, a fossil formed by the infiltration of minerals into the cavities between and within the cells of natural wood, usually by silica (silicon dioxide, SiO2) or calcite (calcium carbonate, CaCO3). The petrified forests in the western United States consist of silicified wood, in which the tree tissue has been replaced by chalcedony (cryptocrystalline quartz). Often, this replacement is so precise that both the internal structure and the external form are faithfully reproduced.
