chert - banded chert from the Monterey Formation, California - display specimen

chert - banded chert from the Monterey Formation, California - display specimen

Brand: Geological Specimen Supply
20.00 USD Out of stock Buy at Merchant

Biochemical chert forms through the solution and reprecipitation of silica from diatom shells, while hydrothermal chert forms from silica-rich fluids and is considered a variety of quartz.

  • The description claims that biochemical chert forms through the solution and reprecipitation of silica from diatom shells.

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