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Only 16 left in stock - order soon.
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Eligible for Return, Refund or Replacement within 30 days of receipt
Eligible for Return, Refund or Replacement within 30 days of receipt
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Eligible for Return, Refund or Replacement within 30 days of receipt
This item can be returned in its original condition for a full refund or replacement within 30 days of receipt. You may receive a partial or no refund on used, damaged or materially different returns.
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EISCO Raw Porphyritic Granite, Igneous Rock Specimen - Hand Sample - Approx. 3"- Geologist Selected & Hand Processed - Great for Science Classrooms

$8.99
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  • 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
  • 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

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EISCO Raw Porphyritic Granite, Igneous Rock Specimen - Hand Sample - Approx. 3"- Geologist Selected & Hand Processed - Great
$8.99
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Product details

  • Product Dimensions ‏ : ‎ 3 x 3 x 3 inches; 4.8 ounces
  • Date First Available ‏ : ‎ July 17, 2023
  • Manufacturer ‏ : ‎ Eisco
  • ASIN ‏ : ‎ B0CC3PDWRF

Product Description

Raw Porphyritic Granite Specimen
Single Hand Sample, Approx. 3"

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 3" 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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