Quartz Mineral Specimen, Quartz mineral specimen for use in classroom identification labs and exercises., Pack of 12

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Here is the corrected text: • Quartz | One of the most abundant minerals on Earth, quartz has a tightly packed framework of silica tetrahedra that gives it a high hardness of 7, a lack of cleavage planes, and a distinct euhedral crystal habit. • Great for Geology Classrooms | A must-have mineral for any specimen collection, quartz is useful during lessons on mineral hardness, luster, and fracture. This set of twelve samples is excellent for group study and examination. • Geologist Selected | Each specimen is carefully selected and hand-processed by an experienced geologist, ensuring that each sample exhibits defining features. • Locally Processed | Our rock and mineral samples are sourced from a variety of locations around the world and are processed by hand in Victor, NY. • Individually Packaged & Labeled | Each specimen sample is packaged in a transparent bag and labeled with a barcode for easy identification. Raw Quartz Specimen Set of 12 Samples, 1" inch. This set is excellent for classroom mineral study and identification. A must-have mineral for any specimen collection, quartz is useful during lessons on mineral hardness, luster, and fracture. While each specimen will vary slightly in shape, size, and color, it will measure approximately 1 inch in length. Each specimen is individually packaged, labeled, and barcoded for easy identification and storage. Selected & Processed by a Geologist | Each and every specimen is carefully selected and hand-processed by an experienced geologist, ensuring that each sample exhibits defining features. Our 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.