Pegmatite Specimen, ±1" in size, Pack of 12

Details

Pegmatite sample approximately 1" (3cm) in size Igneous rock containing a large variety of crystal sizes Perfect size for use in classroom identification labs and exercises, correlates well to Next Generation Science Standards Evidence Statements Pegmatite indicates two different periods of cooling - one quick, one slow Specimen comes in clear labeled and barcoded bag for ideal storage Pack of 12