Product Overview
One of the most abundant minerals on Earth. The tightly packed framework of silica tetrahedral that makes up this mineral gives it a high hardness of 7, a lack of cleavage planes, and a distinct euhedral crystal habit. 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 3" in length. Each is individually packaged, labeled & barcoded for easy identification and storage.
