Eisco Quartz - Rock Crystal Specimen (Mineral), Approx. 1" (3cm) Subcategory_Stopcocks this 500mL bottle of demo

this 500mL bottle of demo control fluid lets students practice pH

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

antibody reactions

this oxygen data-logging sensor captures both dissolved and atmospheric oxygen levels across biology and ecology coursework

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

Eisco Quartz - Rock Crystal Specimen (Mineral), Approx. 1" (3cm) Subcategory_Stopcocks this 500mL bottle of demoQuartz 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.