Eisco Quartz - Rock Crystal Specimen (Mineral), Approx. 1" (3cm) Subcategory_Stopcocks Thermally isolated 150mL aluminum reservoir

Thermally isolated 150mL aluminum reservoir inside a polystyrene-lined jacket

Cast-metal Newton's-Second-Law apparatus on a 10 by 2

showing how different wheel diameters change mechanical advantage

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

Eisco Quartz - Rock Crystal Specimen (Mineral), Approx. 1" (3cm) Subcategory_Stopcocks Thermally isolated 150mL aluminum reservoirQuartz 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.