chert - teaching student specimens of banded chert from the Monterey Formation, California - Unit of 5 specimens

chert - teaching student specimens of banded chert from the Monterey Formation, California - Unit of 5 specimens

Brand: Geological Specimen Supply
4.20 USD In stock Buy at Merchant

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

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

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