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12PK Raw Porphyritic Granite, 1" - Geologist Selected Samples - Eisco Labs

SKU ESNG0044PK12
  • PORPHYRITIC GRANITE | 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
  • GREAT FOR GEOLOGY CLASSROOMS | A must-have sample when discussing rock types, the rock cycle, and the formation, classification, and identification of igneous rocks. This set of twelve samples is excellent for group study and examination
  • GEOLOGIST SELECTED | Each specimen is selected and hand processed by an actual geologist, ensuring each sample exhibits defining features
  • LOCALLY PROCESSED | Our rock and mineral samples are sourced from a variety of locations around the world and are processed in Victor, NY
  • INDIVIDUALLY PACKAGED & LABELED | Each specimen sample is packaged in a transparent bag, and is labeled & barcoded for easy identification

Raw Porphyritic Granite Specimen
Set of 12 Samples, 1"

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. Excellent for classroom mineral study and identification. A must-have sample when discussing rock types, the rock cycle, and the formation, classification, and identification of igneous rocks.
While each specimen will vary slightly in shape, size and color, it will measure approximately 1" in length. Each is individually packaged, labeled & barcoded for easy identification and storage.

Selected & Processed by a Geologist.
Each and every specimen is selected and hand processed by an actual geologist, ensuring that each sample exhibits defining features. Rocks and minerals are sourced from a variety of locations around the world and are processed by hand in Victor, NY.
Technical Support
Always feel free to reach out to our team of scientists and geologists for additional information, or to assist you with any questions regarding our rock and mineral samples.

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