United Scientific Collection of 20 Rocks

This comprehensive rock collection includes twenty representative specimens spanning all three major rock groups—igneous, metamorphic, and sedimentary. Each sample is individually labeled and organized in a compartmented storage box, making the set ideal for geology instruction, earth science classrooms, and introductory rock identification exercises.

• Catalog Number: UNROCSET20
• Contents (20 Specimens): Basalt, Gabbro, Granite, Obsidian, Pegmatite, Pumice, Anthracite, Gneiss, Marble, Quartzite, Serpentine, Slate, Chalk Lumps, Conglomerate, Diatomite, Flint, Limestone, Rock Salt, Sandstone, Shale
• Rock Types Included: Igneous, Metamorphic, and Sedimentary
• Packaging: Individually labeled specimens in a compartmented storage box
• Applications: Earth science instruction, rock classification, geology demonstrations
• Quantity: Set