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Eisco™ Raw Andesite, Igneous Rock Specimen - Approx. 3 Inch
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Catalog No. S02922
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Specimen Size:
3 in.

Description

Andesite Specimen for introduction to igneous rock classification and identifying minerals within igneous rocks.

  • Andesite features abundant phenocrysts in a fine grained matrix, and offers a great demonstration of igneous porphyry
  • Ideal for identification and classification exercises.
  • Andesite is an excellent example of porphyry in igneous rocks. The fine-grained felsic matrix contains larger, identifiable hornblende crystals, indicating two different rates of cooling
  • Each specimen is selected and hand processed by an actual geologist, ensuring each sample exhibits defining features
  • Our rock and mineral samples are sourced from a variety of locations around the world and are processed in Victor, NY
  • Each specimen sample is packaged in a transparent bag, and is labeled and barcoded for easy identification
  • While each specimen will vary slightly in shape, size and color, it will measure approximately 3 inches in length.

Specifications

Product Type Igneous Rock
Specimen Size 3 in.
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