Andesite Specimen, Andesite Specimen for introduction to igneous rock classification and identifying minerals within igneous rocks., Each

Details

Here is the corrected text: Raw Andesite Specimen - Single Sample, 1" Andesite features abundant phenocrysts in a fine-grained matrix, offering a great demonstration of igneous porphyry. Ideal for identification and classification exercises, andesite is an excellent example of porphyry in igneous rocks. The fine-grained felsic matrix contains larger, identifiable hornblende crystals, indicating two different rates of cooling. While each specimen will vary slightly in shape, size, and color, it will measure approximately 1" in length. Each is individually packaged, labeled, and barcoded for easy identification and storage. Selected and Processed by a Geologist Each 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.