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Eisco™ Raw Andesite, Igneous Rock Specimen - Approx. 3 Inch
Andesite Specimen for introduction to igneous rock classification and identifying minerals within igneous rocks.
Supplier: Eisco™ ESNG0040HAND
Description
- Andesite features abundant phenocrysts in a fine grained matrix, and offers 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
- Each specimen is selected and hand processed by an actual geologist, ensuring each sample exhibits defining features
- Our rock and mineral samples are sourced from a variety of locations around the world and are processed in Victor, NY
- Each specimen sample is packaged in a transparent bag, and is labeled and barcoded for easy identification
- While each specimen will vary slightly in shape, size and color, it will measure approximately 3 inches in length.
Specifications
| Igneous Rock | |
| 3 in. |