Granite Mineral
Aug. 20, 2024
Porphyritic Granite | Geology 1501 | ECU White plagioclase in a granite (along with pink alkali feldspar, gray quartz, and black amphibole) | Igneous rock, Rocks and minerals, Granite Raw Porphyritic Granite, Igneous Rock Specimen - Approx. 1"- Geologist Selected & Hand Processed - Great for Science Classrooms - Eisco Labs: Amazon.com: Industrial & Scientific Granite Mineral