- Origin: Oregon, USA
- Size: H94cm W96cm D3cm
- Weight: 34,5 Kg
- Description: Slice of petrified Spruce with detailed cell structures preserved in quartz matrix.
- Additional information: Petrified wood, fossil formed by the invasion of minerals into cavities between and within cells of natural wood, usually by silica (silicon dioxide, SiO2) or calcite (calcium carbonate, CaCO3) and occurs via a process taking million of years.