The result is a fossilized object with the appearance and physical properties of Jasper. This can happen when the organic material is buried in sedimentary rock, and groundwater rich in silica flows through the rock and replaces the organic material with chalcedony. Jasper can also be formed through the process of silicification, which occurs when organic material, such as wood or bone, is replaced by silica. The silica can come from a variety of sources, including volcanic ash, marine organisms, and mineral-rich groundwater. Silica-rich fluids can flow through the porous rock, and over time, the silica can accumulate and form chalcedony deposits. It is formed in a variety of ways, but most commonly it is formed in sedimentary rocks where there is a high concentration of silica. Jasper is a type of chalcedony, which is formed from microscopic crystals of silica.
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