EISCO Pumice Specimen (Igneous Rock), Approx. 1" (3cm)
$9.99
Description
Pumice sample approximately 1" (3cm) in size.Ideal for demonstrating the effect of vesicles on rock density - pumice will float in water due to internal air pockets.Perfect size for use in classroom identification labs and exercises, correlates well to Next Generation Science Standards Evidence Statements.Glassy texture is the result of swift cooling in mid-air.Specimen comes in clear labeled and barcoded bag for ideal storage
