Andesite Specimen, Andesite Specimen for introduction to igneous rock classification and identifying minerals within igneous rocks., Pack of 12

Details

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. This set of six samples is excellent for group study and examination. Each specimen is selected and hand-processed by a geologist, ensuring that each sample exhibits defining features. Our rock and mineral samples are sourced from various locations around the world and are processed in Victor, NY. Each specimen sample is packaged in a transparent bag, labeled, and barcoded for easy identification. Raw Andesite Specimen Set of 12 Samples, 1" - This set 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 may vary slightly in shape, size, and color, it measures approximately 1" in length. Each specimen 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 various 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.