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

Details

Here is the corrected text: This pegmatite sample measures approximately 1 inch (3cm) in size. As an igneous rock, it contains a wide range of crystal sizes. Its perfect size makes it ideal for use in classroom identification labs and exercises, correlating well with Next Generation Science Standards Evidence Statements. Notably, the pegmatite specimen indicates two distinct periods of cooling - one rapid and one slow. Each specimen comes in a clear, labeled, and barcoded bag, ensuring ideal storage. This pack includes 12 specimens.