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EISCO 6PK Raw Obsidian, Igneous Rock Specimen - Approx. 1'- Geologist Selected & Hand Processed - Great for Science Classrooms

5.0 (6) Write Review
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$11.59

$ 5 .99 $5.99

In Stock
  • OBSIDIAN | Obsidian, also known as volcanic glass, forms from lava that cools almost immediately upon eruption, usually into water
  • GREAT FOR GEOLOGY CLASSROOMS | Obsidian shares many physical properties with its major chemical component, quartz, despite looking dissimilar - great for classification exercises. This set of six 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



Thomas Bailey
Reviewed in the United States on March 21, 2023
It will be cut and polished for a man’s ring.
Chupis
Reviewed in the United States on March 16, 2023
I don’t like the fact the size of the rock is extremely small about 1 1/2 inch in diameter. I was hoping to see a bigger size for the price they charge.
Peter Blanchet
Reviewed in the United States on May 17, 2021
ok, its obsidian but I expected a little chunk like the picture they show instead its a thin little piece about an inch long but pencil thin! disappointing!
Sheri Smith
Reviewed in the United States on June 6, 2020
just what I wanted
Kripa
Reviewed in the United States on May 7, 2020
Ours came smaller than we expected after looking at the size in picture. Came in mail on time though.
Customer
Reviewed in the United States on December 29, 2020
came quick, large specimens, look great