Raw Obsidian Igneous Rock Specimen - Approx_ 1- Geologist Selected and Hand Processed - Great for Science Classrooms - Eisco Labs

Raw Obsidian Specimen Single Sample, 1" Obsidian, also known as volcanic glass, forms from lava that cools almost immediately upon eruption, usually into water. Excellent for classroom mineral study and identification. Obsidian shares many physical properties with its major chemical component, quartz, despite looking dissimilar - great for classification exercises. 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.