🔬 Discover the World of Minerals! Comes in a clear, labeled bag for organized storage and quick access. 1" size makes it easy to handle and store in any educational setting. Aligns with Next Generation Science Standards for effective teaching. Diverse colors showcase chemical variations in a captivating way. Perfect for classroom demonstrations and hands-on learning. Color variation Educational tool 1" size The EISCO Microcline Feldspar Specimen is a 1" (3cm) mineral sample ideal for educational purposes, showcasing key mineral properties such as hardness and cleavage. Its vibrant color variations provide a visual aid for teaching, and it comes securely packaged in a labeled bag for easy storage and identification.