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Eisco Chert/Agate Specimen, 3cm in size

  • Agate sample approximately 1" (3cm) in size
  • Microcrystalline quartz smooth to the touch
  • Perfect size for use in classroom identification labs and exercises, correlates well to Next Generation Science Standards Evidence Statements
  • Ochre color and banding distinguishes agate from other forms of crystalline quartz
  • Specimen comes in clear labeled and barcoded bag for ideal storage


This sample of raw agate is one of many varieties of microcrystalline quartz. Agate is often known for its brilliant banding, but can also be found as detrital clasts in a more chertlike form. This sample is a great tool for teaching geology students about the many forms of quartz, hardness, crystal habit, and fracture. Samples are approximately 1" in length and come in a labeled plastic bag.

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