Granite forms slowly in shallow or evolved magma chambers, and is also commonly found as magmatic intrusions in the crust. The large crystals are indicative of a slow cooling rate, and make mineral identification simple. Gra...

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Granite forms slowly in shallow or evolved magma chambers, and is also commonly found as magmatic intrusions in the crust. The large crystals are indicative of a slow cooling rate, and make mineral identification simple. Granite is a classic igneous rock, and is a must-have sample when discussing rock types, the rock cycle, and the formation, classification, and identification of igneous rocks. This sample is also available in packs of 12.

  • Pink granite sample approximately 1" (3cm) in size
  • Large crystals in this felsic plutonic rock are ideal for lessons in mineral identification and bulk rock chemistry
  • Perfect size for use in classroom identification labs and exercises, correlates well to Next Generation Science Standards Evidence Statements
  • Great for comparing cooling rates between samples with differently-sized crystals
  • Specimen comes in clear labeled and barcoded bag for ideal storage

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