6PK Raw Gray Limestone, Sedimentary Rock Specimens - Approx. 1" - Geologist Selected & Hand Processed - Great for Science Classrooms - Class Pack - Eisco Labs 6 June_2023_update Contact the authorized Migro dealer

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4 Fit 26-inch wheel

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6PK Raw Gray Limestone, Sedimentary Rock Specimens - Approx. 1" - Geologist Selected & Hand Processed - Great for Science Classrooms - Class Pack - Eisco Labs 6 June_2023_update Contact the authorized Migro dealer6PK Raw Gray Limestone, Sedimentary Rock Specimens Approx. 1" Geologist Selected & Hand Processed Great for Science Classrooms Class Pack Eisco Labs Raw Gray Limestone SpecimenSet of 6 Samples, 1"The massive, gray variety of limestone is often found deposited in marine environments. It is made up of organic material, primarily calcium carbonate. Excellent for demonstrating the tendency of calcium carbonate to effervesce in acid, and is perfect for