Petrified Wood Slice | Arizona, United States

• Origin: Arizona, USA
  
• Age: Triassic, 220 million years
• Size: H74cm W97.5cm D3.5cm
  
• Weight: 41Kg
  
• Description: Araucarioxylon arizonicum, cut in cross-section and polished to reveal the rich colors that are so famous in this location. The texture along the edges has been preserved.
• Additional information: Petrified woods, fossils formed by the penetration of minerals into the spaces between and within the cells of natural wood, usually silicon dioxide (SiO ₂ ) or calcite (calcium carbonate, CaCO ₃ ).

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