Eisco Quartz - Rock Crystal Specimen (Mineral), Approx. 1" (3cm) Subcategory_Stopcocks 5 inches) make north and

5 inches) make north and south poles instantly identifiable during attraction

antibody reactions

completing the positive-rail half of the long-haul plug-to-plug patch-wire pair

letting students read low-cell voltages and high-tension supply outputs on the same meter

Thicker-walled silicon tubing at 6 by 2 mm

Eisco Quartz - Rock Crystal Specimen (Mineral), Approx. 1" (3cm) Subcategory_Stopcocks 5 inches) make north andQuartz sample approximately 1" (3cm) in size A classic mineral, quartz is useful during lessons on mineral hardness, luster, and fracture Perfect size for use in classroom identification labs and exercises, correlates well to Next Generation Science Standards Evidence Statements Euhedral crystal expression is perfect for collections Specimen comes in clear labeled and barcoded bag for ideal storage Quartz is one of the most abundant minerals on Earth.