Photo category:
Rocks and Minerals specimen collection

  • Photo taken Locality: Greece, Crete
  • Photo taken by:
    Trichas, A.
  • Photo taken date:
    October 2011
Chert
Rock
Geology
Geology

Photo of a sample of a Chert, collected in Arvi of Heraklion, Crete, Greece. It is a sedimentary rock. It is a very hard and very massive rock. It consists mostly of amorphous silica with various impurities (hematite, calcite, clay minerals). Its color varies from deep red to maroon.

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