Pegmatite Specimen, ±1" in size, Each

Details

Here is the corrected text: This approximately 1" (3cm) pegmatite sample features a large variety of crystal sizes. As an igneous rock, it's perfect for use in classroom identification labs and exercises, correlating well with Next Generation Science Standards Evidence Statements. Notably, the pegmatite indicates two different periods of cooling - one quick and one slow. The specimen comes in a clear, labeled, and barcoded bag, ideal for storage.